Home / 10,915.92-15,064.02-6,200.46

Finding the Fourth Proportional to 10,915.92, 15,064.02 and 6,200.46

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Solution

The fourth proportional to 10,915.92, 15,064.02 and 6,200.46 is: 8,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.92 : 15,064.02 = 6,200.46 : x
  2. Step 2: Convert to fraction form
    10,915.92/15,064.02 = 6,200.46/x
  3. Step 3: Cross multiply
    10,915.92x = 15,064.02 × 6,200.46
  4. Step 4: Simplify right side
    10,915.92x = 93,403,853.45
  5. Step 5: Solve for x
    x = 93,403,853.45/10,915.92
  6. Step 6: Final answer
    x = 8,556.66

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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.