Home / 9,527.92-13,147.80-5,335.60

Finding the Fourth Proportional to 9,527.92, 13,147.80 and 5,335.60

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Solution

The fourth proportional to 9,527.92, 13,147.80 and 5,335.60 is: 7,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.92 : 13,147.80 = 5,335.60 : x
  2. Step 2: Convert to fraction form
    9,527.92/13,147.80 = 5,335.60/x
  3. Step 3: Cross multiply
    9,527.92x = 13,147.80 × 5,335.60
  4. Step 4: Simplify right side
    9,527.92x = 70,151,401.68
  5. Step 5: Solve for x
    x = 70,151,401.68/9,527.92
  6. Step 6: Final answer
    x = 7,362.72

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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.