Home / 12,031.77-16,605.39-6,726.88

Finding the Fourth Proportional to 12,031.77, 16,605.39 and 6,726.88

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Solution

The fourth proportional to 12,031.77, 16,605.39 and 6,726.88 is: 9,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.77 : 16,605.39 = 6,726.88 : x
  2. Step 2: Convert to fraction form
    12,031.77/16,605.39 = 6,726.88/x
  3. Step 3: Cross multiply
    12,031.77x = 16,605.39 × 6,726.88
  4. Step 4: Simplify right side
    12,031.77x = 111,702,349.22
  5. Step 5: Solve for x
    x = 111,702,349.22/12,031.77
  6. Step 6: Final answer
    x = 9,283.95

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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.