Home / 9,031.32-13,513.11-7,472.07

Finding the Fourth Proportional to 9,031.32, 13,513.11 and 7,472.07

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Solution

The fourth proportional to 9,031.32, 13,513.11 and 7,472.07 is: 11,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.32 : 13,513.11 = 7,472.07 : x
  2. Step 2: Convert to fraction form
    9,031.32/13,513.11 = 7,472.07/x
  3. Step 3: Cross multiply
    9,031.32x = 13,513.11 × 7,472.07
  4. Step 4: Simplify right side
    9,031.32x = 100,970,903.84
  5. Step 5: Solve for x
    x = 100,970,903.84/9,031.32
  6. Step 6: Final answer
    x = 11,180.08

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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.