Home / 7,837.75-10,815.91-4,341.18

Finding the Fourth Proportional to 7,837.75, 10,815.91 and 4,341.18

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Solution

The fourth proportional to 7,837.75, 10,815.91 and 4,341.18 is: 5,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.75 : 10,815.91 = 4,341.18 : x
  2. Step 2: Convert to fraction form
    7,837.75/10,815.91 = 4,341.18/x
  3. Step 3: Cross multiply
    7,837.75x = 10,815.91 × 4,341.18
  4. Step 4: Simplify right side
    7,837.75x = 46,953,812.17
  5. Step 5: Solve for x
    x = 46,953,812.17/7,837.75
  6. Step 6: Final answer
    x = 5,990.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.