Home / 7,837.13-10,815.45-4,300.47

Finding the Fourth Proportional to 7,837.13, 10,815.45 and 4,300.47

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Solution

The fourth proportional to 7,837.13, 10,815.45 and 4,300.47 is: 5,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.13 : 10,815.45 = 4,300.47 : x
  2. Step 2: Convert to fraction form
    7,837.13/10,815.45 = 4,300.47/x
  3. Step 3: Cross multiply
    7,837.13x = 10,815.45 × 4,300.47
  4. Step 4: Simplify right side
    7,837.13x = 46,511,518.26
  5. Step 5: Solve for x
    x = 46,511,518.26/7,837.13
  6. Step 6: Final answer
    x = 5,934.76

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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.