Home / 9,162.91-12,645.08-5,576.77

Finding the Fourth Proportional to 9,162.91, 12,645.08 and 5,576.77

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Solution

The fourth proportional to 9,162.91, 12,645.08 and 5,576.77 is: 7,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.91 : 12,645.08 = 5,576.77 : x
  2. Step 2: Convert to fraction form
    9,162.91/12,645.08 = 5,576.77/x
  3. Step 3: Cross multiply
    9,162.91x = 12,645.08 × 5,576.77
  4. Step 4: Simplify right side
    9,162.91x = 70,518,702.79
  5. Step 5: Solve for x
    x = 70,518,702.79/9,162.91
  6. Step 6: Final answer
    x = 7,696.10

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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.