Home / 10,888.32-15,025.56-6,174.12

Finding the Fourth Proportional to 10,888.32, 15,025.56 and 6,174.12

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Solution

The fourth proportional to 10,888.32, 15,025.56 and 6,174.12 is: 8,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.32 : 15,025.56 = 6,174.12 : x
  2. Step 2: Convert to fraction form
    10,888.32/15,025.56 = 6,174.12/x
  3. Step 3: Cross multiply
    10,888.32x = 15,025.56 × 6,174.12
  4. Step 4: Simplify right side
    10,888.32x = 92,769,610.51
  5. Step 5: Solve for x
    x = 92,769,610.51/10,888.32
  6. Step 6: Final answer
    x = 8,520.10

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Double scale
Find fourth proportional to 10,889.32, 15,026.94 and 6,175.12
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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.