Home / 12,031.55-16,603.61-6,726.45

Finding the Fourth Proportional to 12,031.55, 16,603.61 and 6,726.45

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Solution

The fourth proportional to 12,031.55, 16,603.61 and 6,726.45 is: 9,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.55 : 16,603.61 = 6,726.45 : x
  2. Step 2: Convert to fraction form
    12,031.55/16,603.61 = 6,726.45/x
  3. Step 3: Cross multiply
    12,031.55x = 16,603.61 × 6,726.45
  4. Step 4: Simplify right side
    12,031.55x = 111,683,352.48
  5. Step 5: Solve for x
    x = 111,683,352.48/12,031.55
  6. Step 6: Final answer
    x = 9,282.54

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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.