Home / 7,658.13-11,468.97-5,320.47

Finding the Fourth Proportional to 7,658.13, 11,468.97 and 5,320.47

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Solution

The fourth proportional to 7,658.13, 11,468.97 and 5,320.47 is: 7,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.13 : 11,468.97 = 5,320.47 : x
  2. Step 2: Convert to fraction form
    7,658.13/11,468.97 = 5,320.47/x
  3. Step 3: Cross multiply
    7,658.13x = 11,468.97 × 5,320.47
  4. Step 4: Simplify right side
    7,658.13x = 61,020,310.82
  5. Step 5: Solve for x
    x = 61,020,310.82/7,658.13
  6. Step 6: Final answer
    x = 7,968.04

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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.