Home / 10,255.05-14,151.69-6,276.15

Finding the Fourth Proportional to 10,255.05, 14,151.69 and 6,276.15

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Solution

The fourth proportional to 10,255.05, 14,151.69 and 6,276.15 is: 8,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.05 : 14,151.69 = 6,276.15 : x
  2. Step 2: Convert to fraction form
    10,255.05/14,151.69 = 6,276.15/x
  3. Step 3: Cross multiply
    10,255.05x = 14,151.69 × 6,276.15
  4. Step 4: Simplify right side
    10,255.05x = 88,818,129.19
  5. Step 5: Solve for x
    x = 88,818,129.19/10,255.05
  6. Step 6: Final answer
    x = 8,660.92

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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.