Home / 10,540.01-15,812.75-5,605.60

Finding the Fourth Proportional to 10,540.01, 15,812.75 and 5,605.60

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Solution

The fourth proportional to 10,540.01, 15,812.75 and 5,605.60 is: 8,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.01 : 15,812.75 = 5,605.60 : x
  2. Step 2: Convert to fraction form
    10,540.01/15,812.75 = 5,605.60/x
  3. Step 3: Cross multiply
    10,540.01x = 15,812.75 × 5,605.60
  4. Step 4: Simplify right side
    10,540.01x = 88,639,886.35
  5. Step 5: Solve for x
    x = 88,639,886.35/10,540.01
  6. Step 6: Final answer
    x = 8,409.85

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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.