Home / 9,437.28-13,023.88-5,245.28

Finding the Fourth Proportional to 9,437.28, 13,023.88 and 5,245.28

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Solution

The fourth proportional to 9,437.28, 13,023.88 and 5,245.28 is: 7,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.28 : 13,023.88 = 5,245.28 : x
  2. Step 2: Convert to fraction form
    9,437.28/13,023.88 = 5,245.28/x
  3. Step 3: Cross multiply
    9,437.28x = 13,023.88 × 5,245.28
  4. Step 4: Simplify right side
    9,437.28x = 68,313,897.29
  5. Step 5: Solve for x
    x = 68,313,897.29/9,437.28
  6. Step 6: Final answer
    x = 7,238.73

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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.