Home / 10,148.40-15,222.47-2,753.55

Finding the Fourth Proportional to 10,148.40, 15,222.47 and 2,753.55

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Solution

The fourth proportional to 10,148.40, 15,222.47 and 2,753.55 is: 4,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.40 : 15,222.47 = 2,753.55 : x
  2. Step 2: Convert to fraction form
    10,148.40/15,222.47 = 2,753.55/x
  3. Step 3: Cross multiply
    10,148.40x = 15,222.47 × 2,753.55
  4. Step 4: Simplify right side
    10,148.40x = 41,915,818.50
  5. Step 5: Solve for x
    x = 41,915,818.50/10,148.40
  6. Step 6: Final answer
    x = 4,130.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.