Home / 10,280.14-15,420.50-4,041.74

Finding the Fourth Proportional to 10,280.14, 15,420.50 and 4,041.74

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Solution

The fourth proportional to 10,280.14, 15,420.50 and 4,041.74 is: 6,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.14 : 15,420.50 = 4,041.74 : x
  2. Step 2: Convert to fraction form
    10,280.14/15,420.50 = 4,041.74/x
  3. Step 3: Cross multiply
    10,280.14x = 15,420.50 × 4,041.74
  4. Step 4: Simplify right side
    10,280.14x = 62,325,651.67
  5. Step 5: Solve for x
    x = 62,325,651.67/10,280.14
  6. Step 6: Final answer
    x = 6,062.72

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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.