Home / 10,576.71-14,581.80-8,777.43

Finding the Fourth Proportional to 10,576.71, 14,581.80 and 8,777.43

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Solution

The fourth proportional to 10,576.71, 14,581.80 and 8,777.43 is: 12,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.71 : 14,581.80 = 8,777.43 : x
  2. Step 2: Convert to fraction form
    10,576.71/14,581.80 = 8,777.43/x
  3. Step 3: Cross multiply
    10,576.71x = 14,581.80 × 8,777.43
  4. Step 4: Simplify right side
    10,576.71x = 127,990,728.77
  5. Step 5: Solve for x
    x = 127,990,728.77/10,576.71
  6. Step 6: Final answer
    x = 12,101.19

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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.