Home / 8,416.97-11,613.54-4,831.72

Finding the Fourth Proportional to 8,416.97, 11,613.54 and 4,831.72

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Solution

The fourth proportional to 8,416.97, 11,613.54 and 4,831.72 is: 6,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.97 : 11,613.54 = 4,831.72 : x
  2. Step 2: Convert to fraction form
    8,416.97/11,613.54 = 4,831.72/x
  3. Step 3: Cross multiply
    8,416.97x = 11,613.54 × 4,831.72
  4. Step 4: Simplify right side
    8,416.97x = 56,113,373.49
  5. Step 5: Solve for x
    x = 56,113,373.49/8,416.97
  6. Step 6: Final answer
    x = 6,666.70

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1.5x scale

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.