Home / 8,708.24-12,016.44-4,931.64

Finding the Fourth Proportional to 8,708.24, 12,016.44 and 4,931.64

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Solution

The fourth proportional to 8,708.24, 12,016.44 and 4,931.64 is: 6,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.24 : 12,016.44 = 4,931.64 : x
  2. Step 2: Convert to fraction form
    8,708.24/12,016.44 = 4,931.64/x
  3. Step 3: Cross multiply
    8,708.24x = 12,016.44 × 4,931.64
  4. Step 4: Simplify right side
    8,708.24x = 59,260,756.16
  5. Step 5: Solve for x
    x = 59,260,756.16/8,708.24
  6. Step 6: Final answer
    x = 6,805.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.