Home / 9,565.79-13,200.21-5,316.71

Finding the Fourth Proportional to 9,565.79, 13,200.21 and 5,316.71

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Solution

The fourth proportional to 9,565.79, 13,200.21 and 5,316.71 is: 7,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.79 : 13,200.21 = 5,316.71 : x
  2. Step 2: Convert to fraction form
    9,565.79/13,200.21 = 5,316.71/x
  3. Step 3: Cross multiply
    9,565.79x = 13,200.21 × 5,316.71
  4. Step 4: Simplify right side
    9,565.79x = 70,181,652.07
  5. Step 5: Solve for x
    x = 70,181,652.07/9,565.79
  6. Step 6: Final answer
    x = 7,336.73

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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.