Home / 7,868.47-11,802.76-2,025.13

Finding the Fourth Proportional to 7,868.47, 11,802.76 and 2,025.13

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Solution

The fourth proportional to 7,868.47, 11,802.76 and 2,025.13 is: 3,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.47 : 11,802.76 = 2,025.13 : x
  2. Step 2: Convert to fraction form
    7,868.47/11,802.76 = 2,025.13/x
  3. Step 3: Cross multiply
    7,868.47x = 11,802.76 × 2,025.13
  4. Step 4: Simplify right side
    7,868.47x = 23,902,113.23
  5. Step 5: Solve for x
    x = 23,902,113.23/7,868.47
  6. Step 6: Final answer
    x = 3,037.71

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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.