Home / 9,169.17-12,653.59-4,977.42

Finding the Fourth Proportional to 9,169.17, 12,653.59 and 4,977.42

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Solution

The fourth proportional to 9,169.17, 12,653.59 and 4,977.42 is: 6,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.17 : 12,653.59 = 4,977.42 : x
  2. Step 2: Convert to fraction form
    9,169.17/12,653.59 = 4,977.42/x
  3. Step 3: Cross multiply
    9,169.17x = 12,653.59 × 4,977.42
  4. Step 4: Simplify right side
    9,169.17x = 62,982,231.94
  5. Step 5: Solve for x
    x = 62,982,231.94/9,169.17
  6. Step 6: Final answer
    x = 6,868.91

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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.