Home / 10,170.89-15,253.52-4,909.33

Finding the Fourth Proportional to 10,170.89, 15,253.52 and 4,909.33

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Solution

The fourth proportional to 10,170.89, 15,253.52 and 4,909.33 is: 7,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.89 : 15,253.52 = 4,909.33 : x
  2. Step 2: Convert to fraction form
    10,170.89/15,253.52 = 4,909.33/x
  3. Step 3: Cross multiply
    10,170.89x = 15,253.52 × 4,909.33
  4. Step 4: Simplify right side
    10,170.89x = 74,884,462.53
  5. Step 5: Solve for x
    x = 74,884,462.53/10,170.89
  6. Step 6: Final answer
    x = 7,362.63

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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.