Home / 10,777.60-14,872.03-6,061.78

Finding the Fourth Proportional to 10,777.60, 14,872.03 and 6,061.78

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Solution

The fourth proportional to 10,777.60, 14,872.03 and 6,061.78 is: 8,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.60 : 14,872.03 = 6,061.78 : x
  2. Step 2: Convert to fraction form
    10,777.60/14,872.03 = 6,061.78/x
  3. Step 3: Cross multiply
    10,777.60x = 14,872.03 × 6,061.78
  4. Step 4: Simplify right side
    10,777.60x = 90,150,974.01
  5. Step 5: Solve for x
    x = 90,150,974.01/10,777.60
  6. Step 6: Final answer
    x = 8,364.66

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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.