Home / 8,931.30-13,391.51-4,000.02

Finding the Fourth Proportional to 8,931.30, 13,391.51 and 4,000.02

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Solution

The fourth proportional to 8,931.30, 13,391.51 and 4,000.02 is: 5,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.30 : 13,391.51 = 4,000.02 : x
  2. Step 2: Convert to fraction form
    8,931.30/13,391.51 = 4,000.02/x
  3. Step 3: Cross multiply
    8,931.30x = 13,391.51 × 4,000.02
  4. Step 4: Simplify right side
    8,931.30x = 53,566,307.83
  5. Step 5: Solve for x
    x = 53,566,307.83/8,931.30
  6. Step 6: Final answer
    x = 5,997.59

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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.