Home / 11,532.74-15,915.42-6,498.54

Finding the Fourth Proportional to 11,532.74, 15,915.42 and 6,498.54

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Solution

The fourth proportional to 11,532.74, 15,915.42 and 6,498.54 is: 8,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,532.74 : 15,915.42 = 6,498.54 : x
  2. Step 2: Convert to fraction form
    11,532.74/15,915.42 = 6,498.54/x
  3. Step 3: Cross multiply
    11,532.74x = 15,915.42 × 6,498.54
  4. Step 4: Simplify right side
    11,532.74x = 103,426,993.49
  5. Step 5: Solve for x
    x = 103,426,993.49/11,532.74
  6. Step 6: Final answer
    x = 8,968.12

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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.