Home / 10,460.18-15,686.15-4,219.04

Finding the Fourth Proportional to 10,460.18, 15,686.15 and 4,219.04

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Solution

The fourth proportional to 10,460.18, 15,686.15 and 4,219.04 is: 6,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.18 : 15,686.15 = 4,219.04 : x
  2. Step 2: Convert to fraction form
    10,460.18/15,686.15 = 4,219.04/x
  3. Step 3: Cross multiply
    10,460.18x = 15,686.15 × 4,219.04
  4. Step 4: Simplify right side
    10,460.18x = 66,180,394.77
  5. Step 5: Solve for x
    x = 66,180,394.77/10,460.18
  6. Step 6: Final answer
    x = 6,326.89

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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.