Home / 7,001.76-10,490.28-6,239.04

Finding the Fourth Proportional to 7,001.76, 10,490.28 and 6,239.04

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Solution

The fourth proportional to 7,001.76, 10,490.28 and 6,239.04 is: 9,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.76 : 10,490.28 = 6,239.04 : x
  2. Step 2: Convert to fraction form
    7,001.76/10,490.28 = 6,239.04/x
  3. Step 3: Cross multiply
    7,001.76x = 10,490.28 × 6,239.04
  4. Step 4: Simplify right side
    7,001.76x = 65,449,276.53
  5. Step 5: Solve for x
    x = 65,449,276.53/7,001.76
  6. Step 6: Final answer
    x = 9,347.55

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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.