Home / 10,756.32-14,833.56-8,102.76

Finding the Fourth Proportional to 10,756.32, 14,833.56 and 8,102.76

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Solution

The fourth proportional to 10,756.32, 14,833.56 and 8,102.76 is: 11,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.32 : 14,833.56 = 8,102.76 : x
  2. Step 2: Convert to fraction form
    10,756.32/14,833.56 = 8,102.76/x
  3. Step 3: Cross multiply
    10,756.32x = 14,833.56 × 8,102.76
  4. Step 4: Simplify right side
    10,756.32x = 120,192,776.63
  5. Step 5: Solve for x
    x = 120,192,776.63/10,756.32
  6. Step 6: Final answer
    x = 11,174.15

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Half scale
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Double scale
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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.