Home / 8,095.12-12,132.96-4,397.20

Finding the Fourth Proportional to 8,095.12, 12,132.96 and 4,397.20

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Solution

The fourth proportional to 8,095.12, 12,132.96 and 4,397.20 is: 6,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.12 : 12,132.96 = 4,397.20 : x
  2. Step 2: Convert to fraction form
    8,095.12/12,132.96 = 4,397.20/x
  3. Step 3: Cross multiply
    8,095.12x = 12,132.96 × 4,397.20
  4. Step 4: Simplify right side
    8,095.12x = 53,351,051.71
  5. Step 5: Solve for x
    x = 53,351,051.71/8,095.12
  6. Step 6: Final answer
    x = 6,590.52

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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.