Home / 10,718.60-16,076.08-2,925.60

Finding the Fourth Proportional to 10,718.60, 16,076.08 and 2,925.60

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Solution

The fourth proportional to 10,718.60, 16,076.08 and 2,925.60 is: 4,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.60 : 16,076.08 = 2,925.60 : x
  2. Step 2: Convert to fraction form
    10,718.60/16,076.08 = 2,925.60/x
  3. Step 3: Cross multiply
    10,718.60x = 16,076.08 × 2,925.60
  4. Step 4: Simplify right side
    10,718.60x = 47,032,179.65
  5. Step 5: Solve for x
    x = 47,032,179.65/10,718.60
  6. Step 6: Final answer
    x = 4,387.90

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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.