Home / 10,085.68-15,130.14-4,243.96

Finding the Fourth Proportional to 10,085.68, 15,130.14 and 4,243.96

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Solution

The fourth proportional to 10,085.68, 15,130.14 and 4,243.96 is: 6,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.68 : 15,130.14 = 4,243.96 : x
  2. Step 2: Convert to fraction form
    10,085.68/15,130.14 = 4,243.96/x
  3. Step 3: Cross multiply
    10,085.68x = 15,130.14 × 4,243.96
  4. Step 4: Simplify right side
    10,085.68x = 64,211,708.95
  5. Step 5: Solve for x
    x = 64,211,708.95/10,085.68
  6. Step 6: Final answer
    x = 6,366.62

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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.