Home / 7,459.86-11,191.12-3,074.92

Finding the Fourth Proportional to 7,459.86, 11,191.12 and 3,074.92

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Solution

The fourth proportional to 7,459.86, 11,191.12 and 3,074.92 is: 4,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.86 : 11,191.12 = 3,074.92 : x
  2. Step 2: Convert to fraction form
    7,459.86/11,191.12 = 3,074.92/x
  3. Step 3: Cross multiply
    7,459.86x = 11,191.12 × 3,074.92
  4. Step 4: Simplify right side
    7,459.86x = 34,411,798.71
  5. Step 5: Solve for x
    x = 34,411,798.71/7,459.86
  6. Step 6: Final answer
    x = 4,612.93

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Double scale
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Similar ratio
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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.