Home / 10,373.40-15,555.42-2,976.18

Finding the Fourth Proportional to 10,373.40, 15,555.42 and 2,976.18

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Solution

The fourth proportional to 10,373.40, 15,555.42 and 2,976.18 is: 4,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.40 : 15,555.42 = 2,976.18 : x
  2. Step 2: Convert to fraction form
    10,373.40/15,555.42 = 2,976.18/x
  3. Step 3: Cross multiply
    10,373.40x = 15,555.42 × 2,976.18
  4. Step 4: Simplify right side
    10,373.40x = 46,295,729.90
  5. Step 5: Solve for x
    x = 46,295,729.90/10,373.40
  6. Step 6: Final answer
    x = 4,462.93

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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.