Home / 7,371.60-10,159.20-6,108.84

Finding the Fourth Proportional to 7,371.60, 10,159.20 and 6,108.84

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Solution

The fourth proportional to 7,371.60, 10,159.20 and 6,108.84 is: 8,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.60 : 10,159.20 = 6,108.84 : x
  2. Step 2: Convert to fraction form
    7,371.60/10,159.20 = 6,108.84/x
  3. Step 3: Cross multiply
    7,371.60x = 10,159.20 × 6,108.84
  4. Step 4: Simplify right side
    7,371.60x = 62,060,927.33
  5. Step 5: Solve for x
    x = 62,060,927.33/7,371.60
  6. Step 6: Final answer
    x = 8,418.92

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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.