Home / 10,958.18-15,122.82-6,484.54

Finding the Fourth Proportional to 10,958.18, 15,122.82 and 6,484.54

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Solution

The fourth proportional to 10,958.18, 15,122.82 and 6,484.54 is: 8,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.18 : 15,122.82 = 6,484.54 : x
  2. Step 2: Convert to fraction form
    10,958.18/15,122.82 = 6,484.54/x
  3. Step 3: Cross multiply
    10,958.18x = 15,122.82 × 6,484.54
  4. Step 4: Simplify right side
    10,958.18x = 98,064,531.20
  5. Step 5: Solve for x
    x = 98,064,531.20/10,958.18
  6. Step 6: Final answer
    x = 8,948.98

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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.