Home / 7,453.20-11,167.47-5,257.32

Finding the Fourth Proportional to 7,453.20, 11,167.47 and 5,257.32

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Solution

The fourth proportional to 7,453.20, 11,167.47 and 5,257.32 is: 7,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.20 : 11,167.47 = 5,257.32 : x
  2. Step 2: Convert to fraction form
    7,453.20/11,167.47 = 5,257.32/x
  3. Step 3: Cross multiply
    7,453.20x = 11,167.47 × 5,257.32
  4. Step 4: Simplify right side
    7,453.20x = 58,710,963.38
  5. Step 5: Solve for x
    x = 58,710,963.38/7,453.20
  6. Step 6: Final answer
    x = 7,877.28

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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.