Home / 8,407.23-12,609.96-3,727.32

Finding the Fourth Proportional to 8,407.23, 12,609.96 and 3,727.32

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Solution

The fourth proportional to 8,407.23, 12,609.96 and 3,727.32 is: 5,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.23 : 12,609.96 = 3,727.32 : x
  2. Step 2: Convert to fraction form
    8,407.23/12,609.96 = 3,727.32/x
  3. Step 3: Cross multiply
    8,407.23x = 12,609.96 × 3,727.32
  4. Step 4: Simplify right side
    8,407.23x = 47,001,356.11
  5. Step 5: Solve for x
    x = 47,001,356.11/8,407.23
  6. Step 6: Final answer
    x = 5,590.59

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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.