Home / 10,149.15-15,216.53-4,605.15

Finding the Fourth Proportional to 10,149.15, 15,216.53 and 4,605.15

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Solution

The fourth proportional to 10,149.15, 15,216.53 and 4,605.15 is: 6,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.15 : 15,216.53 = 4,605.15 : x
  2. Step 2: Convert to fraction form
    10,149.15/15,216.53 = 4,605.15/x
  3. Step 3: Cross multiply
    10,149.15x = 15,216.53 × 4,605.15
  4. Step 4: Simplify right side
    10,149.15x = 70,074,380.10
  5. Step 5: Solve for x
    x = 70,074,380.10/10,149.15
  6. Step 6: Final answer
    x = 6,904.46

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1.5x scale

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.