Home / 8,631.44-11,909.64-5,095.04

Finding the Fourth Proportional to 8,631.44, 11,909.64 and 5,095.04

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Solution

The fourth proportional to 8,631.44, 11,909.64 and 5,095.04 is: 7,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.44 : 11,909.64 = 5,095.04 : x
  2. Step 2: Convert to fraction form
    8,631.44/11,909.64 = 5,095.04/x
  3. Step 3: Cross multiply
    8,631.44x = 11,909.64 × 5,095.04
  4. Step 4: Simplify right side
    8,631.44x = 60,680,092.19
  5. Step 5: Solve for x
    x = 60,680,092.19/8,631.44
  6. Step 6: Final answer
    x = 7,030.12

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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.