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Finding the Fourth Proportional to 9,436.76, 13,019.10 and 6,079.32

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Solution

The fourth proportional to 9,436.76, 13,019.10 and 6,079.32 is: 8,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.76 : 13,019.10 = 6,079.32 : x
  2. Step 2: Convert to fraction form
    9,436.76/13,019.10 = 6,079.32/x
  3. Step 3: Cross multiply
    9,436.76x = 13,019.10 × 6,079.32
  4. Step 4: Simplify right side
    9,436.76x = 79,147,275.01
  5. Step 5: Solve for x
    x = 79,147,275.01/9,436.76
  6. Step 6: Final answer
    x = 8,387.12

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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.