Home / 10,205.96-15,291.66-8,132.36

Finding the Fourth Proportional to 10,205.96, 15,291.66 and 8,132.36

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Solution

The fourth proportional to 10,205.96, 15,291.66 and 8,132.36 is: 12,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.96 : 15,291.66 = 8,132.36 : x
  2. Step 2: Convert to fraction form
    10,205.96/15,291.66 = 8,132.36/x
  3. Step 3: Cross multiply
    10,205.96x = 15,291.66 × 8,132.36
  4. Step 4: Simplify right side
    10,205.96x = 124,357,284.12
  5. Step 5: Solve for x
    x = 124,357,284.12/10,205.96
  6. Step 6: Final answer
    x = 12,184.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.