Home / 8,237.28-11,360.64-5,253.12

Finding the Fourth Proportional to 8,237.28, 11,360.64 and 5,253.12

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Solution

The fourth proportional to 8,237.28, 11,360.64 and 5,253.12 is: 7,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.28 : 11,360.64 = 5,253.12 : x
  2. Step 2: Convert to fraction form
    8,237.28/11,360.64 = 5,253.12/x
  3. Step 3: Cross multiply
    8,237.28x = 11,360.64 × 5,253.12
  4. Step 4: Simplify right side
    8,237.28x = 59,678,805.20
  5. Step 5: Solve for x
    x = 59,678,805.20/8,237.28
  6. Step 6: Final answer
    x = 7,244.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.