Home / 8,750.16-13,127.67-3,820.23

Finding the Fourth Proportional to 8,750.16, 13,127.67 and 3,820.23

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Solution

The fourth proportional to 8,750.16, 13,127.67 and 3,820.23 is: 5,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.16 : 13,127.67 = 3,820.23 : x
  2. Step 2: Convert to fraction form
    8,750.16/13,127.67 = 3,820.23/x
  3. Step 3: Cross multiply
    8,750.16x = 13,127.67 × 3,820.23
  4. Step 4: Simplify right side
    8,750.16x = 50,150,718.76
  5. Step 5: Solve for x
    x = 50,150,718.76/8,750.16
  6. Step 6: Final answer
    x = 5,731.41

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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.