Home / 11,182.98-15,432.69-6,147.42

Finding the Fourth Proportional to 11,182.98, 15,432.69 and 6,147.42

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Solution

The fourth proportional to 11,182.98, 15,432.69 and 6,147.42 is: 8,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.98 : 15,432.69 = 6,147.42 : x
  2. Step 2: Convert to fraction form
    11,182.98/15,432.69 = 6,147.42/x
  3. Step 3: Cross multiply
    11,182.98x = 15,432.69 × 6,147.42
  4. Step 4: Simplify right side
    11,182.98x = 94,871,227.16
  5. Step 5: Solve for x
    x = 94,871,227.16/11,182.98
  6. Step 6: Final answer
    x = 8,483.54

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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.