Home / 11,080.10-15,280.34-8,254.46

Finding the Fourth Proportional to 11,080.10, 15,280.34 and 8,254.46

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Solution

The fourth proportional to 11,080.10, 15,280.34 and 8,254.46 is: 11,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.10 : 15,280.34 = 8,254.46 : x
  2. Step 2: Convert to fraction form
    11,080.10/15,280.34 = 8,254.46/x
  3. Step 3: Cross multiply
    11,080.10x = 15,280.34 × 8,254.46
  4. Step 4: Simplify right side
    11,080.10x = 126,130,955.32
  5. Step 5: Solve for x
    x = 126,130,955.32/11,080.10
  6. Step 6: Final answer
    x = 11,383.56

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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.