Home / 11,412.15-15,747.78-6,567.03

Finding the Fourth Proportional to 11,412.15, 15,747.78 and 6,567.03

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Solution

The fourth proportional to 11,412.15, 15,747.78 and 6,567.03 is: 9,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.15 : 15,747.78 = 6,567.03 : x
  2. Step 2: Convert to fraction form
    11,412.15/15,747.78 = 6,567.03/x
  3. Step 3: Cross multiply
    11,412.15x = 15,747.78 × 6,567.03
  4. Step 4: Simplify right side
    11,412.15x = 103,416,168.32
  5. Step 5: Solve for x
    x = 103,416,168.32/11,412.15
  6. Step 6: Final answer
    x = 9,061.94

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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.