Home / 8,143.68-11,237.95-4,607.62

Finding the Fourth Proportional to 8,143.68, 11,237.95 and 4,607.62

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Solution

The fourth proportional to 8,143.68, 11,237.95 and 4,607.62 is: 6,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.68 : 11,237.95 = 4,607.62 : x
  2. Step 2: Convert to fraction form
    8,143.68/11,237.95 = 4,607.62/x
  3. Step 3: Cross multiply
    8,143.68x = 11,237.95 × 4,607.62
  4. Step 4: Simplify right side
    8,143.68x = 51,780,203.18
  5. Step 5: Solve for x
    x = 51,780,203.18/8,143.68
  6. Step 6: Final answer
    x = 6,358.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.