Home / 7,839.91-10,819.12-4,303.13

Finding the Fourth Proportional to 7,839.91, 10,819.12 and 4,303.13

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Solution

The fourth proportional to 7,839.91, 10,819.12 and 4,303.13 is: 5,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.91 : 10,819.12 = 4,303.13 : x
  2. Step 2: Convert to fraction form
    7,839.91/10,819.12 = 4,303.13/x
  3. Step 3: Cross multiply
    7,839.91x = 10,819.12 × 4,303.13
  4. Step 4: Simplify right side
    7,839.91x = 46,556,023.06
  5. Step 5: Solve for x
    x = 46,556,023.06/7,839.91
  6. Step 6: Final answer
    x = 5,938.33

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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.