Home / 10,388.26-15,580.92-5,931.46

Finding the Fourth Proportional to 10,388.26, 15,580.92 and 5,931.46

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Solution

The fourth proportional to 10,388.26, 15,580.92 and 5,931.46 is: 8,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.26 : 15,580.92 = 5,931.46 : x
  2. Step 2: Convert to fraction form
    10,388.26/15,580.92 = 5,931.46/x
  3. Step 3: Cross multiply
    10,388.26x = 15,580.92 × 5,931.46
  4. Step 4: Simplify right side
    10,388.26x = 92,417,645.46
  5. Step 5: Solve for x
    x = 92,417,645.46/10,388.26
  6. Step 6: Final answer
    x = 8,896.35

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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.