Home / 10,570.41-15,867.45-5,638.73

Finding the Fourth Proportional to 10,570.41, 15,867.45 and 5,638.73

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Solution

The fourth proportional to 10,570.41, 15,867.45 and 5,638.73 is: 8,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.41 : 15,867.45 = 5,638.73 : x
  2. Step 2: Convert to fraction form
    10,570.41/15,867.45 = 5,638.73/x
  3. Step 3: Cross multiply
    10,570.41x = 15,867.45 × 5,638.73
  4. Step 4: Simplify right side
    10,570.41x = 89,472,187.00
  5. Step 5: Solve for x
    x = 89,472,187.00/10,570.41
  6. Step 6: Final answer
    x = 8,464.40

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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.