Home / 9,174.04-12,663.20-5,397.04

Finding the Fourth Proportional to 9,174.04, 12,663.20 and 5,397.04

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Solution

The fourth proportional to 9,174.04, 12,663.20 and 5,397.04 is: 7,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.04 : 12,663.20 = 5,397.04 : x
  2. Step 2: Convert to fraction form
    9,174.04/12,663.20 = 5,397.04/x
  3. Step 3: Cross multiply
    9,174.04x = 12,663.20 × 5,397.04
  4. Step 4: Simplify right side
    9,174.04x = 68,343,796.93
  5. Step 5: Solve for x
    x = 68,343,796.93/9,174.04
  6. Step 6: Final answer
    x = 7,449.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.