Home / 11,228.12-15,487.71-8,035.10

Finding the Fourth Proportional to 11,228.12, 15,487.71 and 8,035.10

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Solution

The fourth proportional to 11,228.12, 15,487.71 and 8,035.10 is: 11,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.12 : 15,487.71 = 8,035.10 : x
  2. Step 2: Convert to fraction form
    11,228.12/15,487.71 = 8,035.10/x
  3. Step 3: Cross multiply
    11,228.12x = 15,487.71 × 8,035.10
  4. Step 4: Simplify right side
    11,228.12x = 124,445,298.62
  5. Step 5: Solve for x
    x = 124,445,298.62/11,228.12
  6. Step 6: Final answer
    x = 11,083.36

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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.