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Finding the Fourth Proportional to 9,092.16, 12,548.16 and 5,316.48

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Solution

The fourth proportional to 9,092.16, 12,548.16 and 5,316.48 is: 7,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092.16 : 12,548.16 = 5,316.48 : x
  2. Step 2: Convert to fraction form
    9,092.16/12,548.16 = 5,316.48/x
  3. Step 3: Cross multiply
    9,092.16x = 12,548.16 × 5,316.48
  4. Step 4: Simplify right side
    9,092.16x = 66,712,041.68
  5. Step 5: Solve for x
    x = 66,712,041.68/9,092.16
  6. Step 6: Final answer
    x = 7,337.31

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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.