Home / 8,693.47-13,040.66-6,616.72

Finding the Fourth Proportional to 8,693.47, 13,040.66 and 6,616.72

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Solution

The fourth proportional to 8,693.47, 13,040.66 and 6,616.72 is: 9,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.47 : 13,040.66 = 6,616.72 : x
  2. Step 2: Convert to fraction form
    8,693.47/13,040.66 = 6,616.72/x
  3. Step 3: Cross multiply
    8,693.47x = 13,040.66 × 6,616.72
  4. Step 4: Simplify right side
    8,693.47x = 86,286,362.75
  5. Step 5: Solve for x
    x = 86,286,362.75/8,693.47
  6. Step 6: Final answer
    x = 9,925.42

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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.