Home / 8,307.72-12,459.66-2,462.92

Finding the Fourth Proportional to 8,307.72, 12,459.66 and 2,462.92

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Solution

The fourth proportional to 8,307.72, 12,459.66 and 2,462.92 is: 3,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.72 : 12,459.66 = 2,462.92 : x
  2. Step 2: Convert to fraction form
    8,307.72/12,459.66 = 2,462.92/x
  3. Step 3: Cross multiply
    8,307.72x = 12,459.66 × 2,462.92
  4. Step 4: Simplify right side
    8,307.72x = 30,687,145.81
  5. Step 5: Solve for x
    x = 30,687,145.81/8,307.72
  6. Step 6: Final answer
    x = 3,693.81

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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.