Home / 8,416.78-11,616.14-5,061.29

Finding the Fourth Proportional to 8,416.78, 11,616.14 and 5,061.29

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Solution

The fourth proportional to 8,416.78, 11,616.14 and 5,061.29 is: 6,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.78 : 11,616.14 = 5,061.29 : x
  2. Step 2: Convert to fraction form
    8,416.78/11,616.14 = 5,061.29/x
  3. Step 3: Cross multiply
    8,416.78x = 11,616.14 × 5,061.29
  4. Step 4: Simplify right side
    8,416.78x = 58,792,607.79
  5. Step 5: Solve for x
    x = 58,792,607.79/8,416.78
  6. Step 6: Final answer
    x = 6,985.17

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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.