Home / 10,663.08-15,992.40-2,870.04

Finding the Fourth Proportional to 10,663.08, 15,992.40 and 2,870.04

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Solution

The fourth proportional to 10,663.08, 15,992.40 and 2,870.04 is: 4,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.08 : 15,992.40 = 2,870.04 : x
  2. Step 2: Convert to fraction form
    10,663.08/15,992.40 = 2,870.04/x
  3. Step 3: Cross multiply
    10,663.08x = 15,992.40 × 2,870.04
  4. Step 4: Simplify right side
    10,663.08x = 45,898,827.70
  5. Step 5: Solve for x
    x = 45,898,827.70/10,663.08
  6. Step 6: Final answer
    x = 4,304.46

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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.