Home / 8,768.47-13,153.38-2,925.07

Finding the Fourth Proportional to 8,768.47, 13,153.38 and 2,925.07

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Solution

The fourth proportional to 8,768.47, 13,153.38 and 2,925.07 is: 4,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.47 : 13,153.38 = 2,925.07 : x
  2. Step 2: Convert to fraction form
    8,768.47/13,153.38 = 2,925.07/x
  3. Step 3: Cross multiply
    8,768.47x = 13,153.38 × 2,925.07
  4. Step 4: Simplify right side
    8,768.47x = 38,474,524.35
  5. Step 5: Solve for x
    x = 38,474,524.35/8,768.47
  6. Step 6: Final answer
    x = 4,387.83

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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.