Home / 7,147.11-10,702.04-5,752.83

Finding the Fourth Proportional to 7,147.11, 10,702.04 and 5,752.83

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Solution

The fourth proportional to 7,147.11, 10,702.04 and 5,752.83 is: 8,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.11 : 10,702.04 = 5,752.83 : x
  2. Step 2: Convert to fraction form
    7,147.11/10,702.04 = 5,752.83/x
  3. Step 3: Cross multiply
    7,147.11x = 10,702.04 × 5,752.83
  4. Step 4: Simplify right side
    7,147.11x = 61,566,988.01
  5. Step 5: Solve for x
    x = 61,566,988.01/7,147.11
  6. Step 6: Final answer
    x = 8,614.25

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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.