Home / 9,169.04-12,653.28-4,977.36

Finding the Fourth Proportional to 9,169.04, 12,653.28 and 4,977.36

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Solution

The fourth proportional to 9,169.04, 12,653.28 and 4,977.36 is: 6,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.04 : 12,653.28 = 4,977.36 : x
  2. Step 2: Convert to fraction form
    9,169.04/12,653.28 = 4,977.36/x
  3. Step 3: Cross multiply
    9,169.04x = 12,653.28 × 4,977.36
  4. Step 4: Simplify right side
    9,169.04x = 62,979,929.74
  5. Step 5: Solve for x
    x = 62,979,929.74/9,169.04
  6. Step 6: Final answer
    x = 6,868.76

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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.