Home / 10,276.60-15,405.63-3,698.14

Finding the Fourth Proportional to 10,276.60, 15,405.63 and 3,698.14

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Solution

The fourth proportional to 10,276.60, 15,405.63 and 3,698.14 is: 5,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.60 : 15,405.63 = 3,698.14 : x
  2. Step 2: Convert to fraction form
    10,276.60/15,405.63 = 3,698.14/x
  3. Step 3: Cross multiply
    10,276.60x = 15,405.63 × 3,698.14
  4. Step 4: Simplify right side
    10,276.60x = 56,972,176.53
  5. Step 5: Solve for x
    x = 56,972,176.53/10,276.60
  6. Step 6: Final answer
    x = 5,543.87

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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.