Home / 7,077.13-10,618.62-3,565.24

Finding the Fourth Proportional to 7,077.13, 10,618.62 and 3,565.24

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Solution

The fourth proportional to 7,077.13, 10,618.62 and 3,565.24 is: 5,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.13 : 10,618.62 = 3,565.24 : x
  2. Step 2: Convert to fraction form
    7,077.13/10,618.62 = 3,565.24/x
  3. Step 3: Cross multiply
    7,077.13x = 10,618.62 × 3,565.24
  4. Step 4: Simplify right side
    7,077.13x = 37,857,928.77
  5. Step 5: Solve for x
    x = 37,857,928.77/7,077.13
  6. Step 6: Final answer
    x = 5,349.33

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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.