Home / 12,031.84-16,603.98-6,726.76

Finding the Fourth Proportional to 12,031.84, 16,603.98 and 6,726.76

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Solution

The fourth proportional to 12,031.84, 16,603.98 and 6,726.76 is: 9,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.84 : 16,603.98 = 6,726.76 : x
  2. Step 2: Convert to fraction form
    12,031.84/16,603.98 = 6,726.76/x
  3. Step 3: Cross multiply
    12,031.84x = 16,603.98 × 6,726.76
  4. Step 4: Simplify right side
    12,031.84x = 111,690,988.50
  5. Step 5: Solve for x
    x = 111,690,988.50/12,031.84
  6. Step 6: Final answer
    x = 9,282.95

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Half scale
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Double scale
Find fourth proportional to 12,032.84, 16,605.36 and 6,727.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.