Home / 10,101.18-15,145.75-4,173.46

Finding the Fourth Proportional to 10,101.18, 15,145.75 and 4,173.46

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Solution

The fourth proportional to 10,101.18, 15,145.75 and 4,173.46 is: 6,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.18 : 15,145.75 = 4,173.46 : x
  2. Step 2: Convert to fraction form
    10,101.18/15,145.75 = 4,173.46/x
  3. Step 3: Cross multiply
    10,101.18x = 15,145.75 × 4,173.46
  4. Step 4: Simplify right side
    10,101.18x = 63,210,181.80
  5. Step 5: Solve for x
    x = 63,210,181.80/10,101.18
  6. Step 6: Final answer
    x = 6,257.70

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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.