Home / 9,565.33-13,199.80-5,316.65

Finding the Fourth Proportional to 9,565.33, 13,199.80 and 5,316.65

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Solution

The fourth proportional to 9,565.33, 13,199.80 and 5,316.65 is: 7,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.33 : 13,199.80 = 5,316.65 : x
  2. Step 2: Convert to fraction form
    9,565.33/13,199.80 = 5,316.65/x
  3. Step 3: Cross multiply
    9,565.33x = 13,199.80 × 5,316.65
  4. Step 4: Simplify right side
    9,565.33x = 70,178,716.67
  5. Step 5: Solve for x
    x = 70,178,716.67/9,565.33
  6. Step 6: Final answer
    x = 7,336.78

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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.