Home / 9,849.60-14,752.80-5,227.20

Finding the Fourth Proportional to 9,849.60, 14,752.80 and 5,227.20

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Solution

The fourth proportional to 9,849.60, 14,752.80 and 5,227.20 is: 7,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,849.60 : 14,752.80 = 5,227.20 : x
  2. Step 2: Convert to fraction form
    9,849.60/14,752.80 = 5,227.20/x
  3. Step 3: Cross multiply
    9,849.60x = 14,752.80 × 5,227.20
  4. Step 4: Simplify right side
    9,849.60x = 77,115,836.16
  5. Step 5: Solve for x
    x = 77,115,836.16/9,849.60
  6. Step 6: Final answer
    x = 7,829.34

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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.