Home / 10,110.66-15,165.52-3,538.32

Finding the Fourth Proportional to 10,110.66, 15,165.52 and 3,538.32

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Solution

The fourth proportional to 10,110.66, 15,165.52 and 3,538.32 is: 5,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.66 : 15,165.52 = 3,538.32 : x
  2. Step 2: Convert to fraction form
    10,110.66/15,165.52 = 3,538.32/x
  3. Step 3: Cross multiply
    10,110.66x = 15,165.52 × 3,538.32
  4. Step 4: Simplify right side
    10,110.66x = 53,660,462.73
  5. Step 5: Solve for x
    x = 53,660,462.73/10,110.66
  6. Step 6: Final answer
    x = 5,307.32

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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.