Home / 8,433.47-12,650.40-2,590.13

Finding the Fourth Proportional to 8,433.47, 12,650.40 and 2,590.13

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Solution

The fourth proportional to 8,433.47, 12,650.40 and 2,590.13 is: 3,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.47 : 12,650.40 = 2,590.13 : x
  2. Step 2: Convert to fraction form
    8,433.47/12,650.40 = 2,590.13/x
  3. Step 3: Cross multiply
    8,433.47x = 12,650.40 × 2,590.13
  4. Step 4: Simplify right side
    8,433.47x = 32,766,117.30
  5. Step 5: Solve for x
    x = 32,766,117.30/8,433.47
  6. Step 6: Final answer
    x = 3,885.25

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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.