Home / 8,076.84-11,154.47-5,565.43

Finding the Fourth Proportional to 8,076.84, 11,154.47 and 5,565.43

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Solution

The fourth proportional to 8,076.84, 11,154.47 and 5,565.43 is: 7,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.84 : 11,154.47 = 5,565.43 : x
  2. Step 2: Convert to fraction form
    8,076.84/11,154.47 = 5,565.43/x
  3. Step 3: Cross multiply
    8,076.84x = 11,154.47 × 5,565.43
  4. Step 4: Simplify right side
    8,076.84x = 62,079,421.97
  5. Step 5: Solve for x
    x = 62,079,421.97/8,076.84
  6. Step 6: Final answer
    x = 7,686.10

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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.