Home / 11,182.70-15,432.72-6,706.64

Finding the Fourth Proportional to 11,182.70, 15,432.72 and 6,706.64

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Solution

The fourth proportional to 11,182.70, 15,432.72 and 6,706.64 is: 9,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.70 : 15,432.72 = 6,706.64 : x
  2. Step 2: Convert to fraction form
    11,182.70/15,432.72 = 6,706.64/x
  3. Step 3: Cross multiply
    11,182.70x = 15,432.72 × 6,706.64
  4. Step 4: Simplify right side
    11,182.70x = 103,501,697.26
  5. Step 5: Solve for x
    x = 103,501,697.26/11,182.70
  6. Step 6: Final answer
    x = 9,255.52

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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.