Home / 9,106.62-12,567.25-5,328.91

Finding the Fourth Proportional to 9,106.62, 12,567.25 and 5,328.91

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Solution

The fourth proportional to 9,106.62, 12,567.25 and 5,328.91 is: 7,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.62 : 12,567.25 = 5,328.91 : x
  2. Step 2: Convert to fraction form
    9,106.62/12,567.25 = 5,328.91/x
  3. Step 3: Cross multiply
    9,106.62x = 12,567.25 × 5,328.91
  4. Step 4: Simplify right side
    9,106.62x = 66,969,744.20
  5. Step 5: Solve for x
    x = 66,969,744.20/9,106.62
  6. Step 6: Final answer
    x = 7,353.96

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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.