Home / 10,320.08-15,455.52-5,633.06

Finding the Fourth Proportional to 10,320.08, 15,455.52 and 5,633.06

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Solution

The fourth proportional to 10,320.08, 15,455.52 and 5,633.06 is: 8,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.08 : 15,455.52 = 5,633.06 : x
  2. Step 2: Convert to fraction form
    10,320.08/15,455.52 = 5,633.06/x
  3. Step 3: Cross multiply
    10,320.08x = 15,455.52 × 5,633.06
  4. Step 4: Simplify right side
    10,320.08x = 87,061,871.49
  5. Step 5: Solve for x
    x = 87,061,871.49/10,320.08
  6. Step 6: Final answer
    x = 8,436.16

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