Home / 8,125.02-12,140.10-6,007.68

Finding the Fourth Proportional to 8,125.02, 12,140.10 and 6,007.68

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Solution

The fourth proportional to 8,125.02, 12,140.10 and 6,007.68 is: 8,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.02 : 12,140.10 = 6,007.68 : x
  2. Step 2: Convert to fraction form
    8,125.02/12,140.10 = 6,007.68/x
  3. Step 3: Cross multiply
    8,125.02x = 12,140.10 × 6,007.68
  4. Step 4: Simplify right side
    8,125.02x = 72,933,835.97
  5. Step 5: Solve for x
    x = 72,933,835.97/8,125.02
  6. Step 6: Final answer
    x = 8,976.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.