Home / 9,870.44-13,627.14-6,149.48

Finding the Fourth Proportional to 9,870.44, 13,627.14 and 6,149.48

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Solution

The fourth proportional to 9,870.44, 13,627.14 and 6,149.48 is: 8,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.44 : 13,627.14 = 6,149.48 : x
  2. Step 2: Convert to fraction form
    9,870.44/13,627.14 = 6,149.48/x
  3. Step 3: Cross multiply
    9,870.44x = 13,627.14 × 6,149.48
  4. Step 4: Simplify right side
    9,870.44x = 83,799,824.89
  5. Step 5: Solve for x
    x = 83,799,824.89/9,870.44
  6. Step 6: Final answer
    x = 8,489.98

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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.