Home / 7,472.16-11,205.60-7,397.28

Finding the Fourth Proportional to 7,472.16, 11,205.60 and 7,397.28

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Solution

The fourth proportional to 7,472.16, 11,205.60 and 7,397.28 is: 11,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.16 : 11,205.60 = 7,397.28 : x
  2. Step 2: Convert to fraction form
    7,472.16/11,205.60 = 7,397.28/x
  3. Step 3: Cross multiply
    7,472.16x = 11,205.60 × 7,397.28
  4. Step 4: Simplify right side
    7,472.16x = 82,890,960.77
  5. Step 5: Solve for x
    x = 82,890,960.77/7,472.16
  6. Step 6: Final answer
    x = 11,093.31

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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.