Home / 7,837.12-10,815.30-4,300.24

Finding the Fourth Proportional to 7,837.12, 10,815.30 and 4,300.24

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Solution

The fourth proportional to 7,837.12, 10,815.30 and 4,300.24 is: 5,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.12 : 10,815.30 = 4,300.24 : x
  2. Step 2: Convert to fraction form
    7,837.12/10,815.30 = 4,300.24/x
  3. Step 3: Cross multiply
    7,837.12x = 10,815.30 × 4,300.24
  4. Step 4: Simplify right side
    7,837.12x = 46,508,385.67
  5. Step 5: Solve for x
    x = 46,508,385.67/7,837.12
  6. Step 6: Final answer
    x = 5,934.37

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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.