Home / 7,132.10-10,698.15-6,646.10

Finding the Fourth Proportional to 7,132.10, 10,698.15 and 6,646.10

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Solution

The fourth proportional to 7,132.10, 10,698.15 and 6,646.10 is: 9,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.10 : 10,698.15 = 6,646.10 : x
  2. Step 2: Convert to fraction form
    7,132.10/10,698.15 = 6,646.10/x
  3. Step 3: Cross multiply
    7,132.10x = 10,698.15 × 6,646.10
  4. Step 4: Simplify right side
    7,132.10x = 71,100,974.72
  5. Step 5: Solve for x
    x = 71,100,974.72/7,132.10
  6. Step 6: Final answer
    x = 9,969.15

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Similar ratio
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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.