Home / 10,606.07-15,876.30-9,031.43

Finding the Fourth Proportional to 10,606.07, 15,876.30 and 9,031.43

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Solution

The fourth proportional to 10,606.07, 15,876.30 and 9,031.43 is: 13,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.07 : 15,876.30 = 9,031.43 : x
  2. Step 2: Convert to fraction form
    10,606.07/15,876.30 = 9,031.43/x
  3. Step 3: Cross multiply
    10,606.07x = 15,876.30 × 9,031.43
  4. Step 4: Simplify right side
    10,606.07x = 143,385,567.57
  5. Step 5: Solve for x
    x = 143,385,567.57/10,606.07
  6. Step 6: Final answer
    x = 13,519.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.