Home / 12,292.47-18,438.71-3,527.46

Finding the Fourth Proportional to 12,292.47, 18,438.71 and 3,527.46

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Solution

The fourth proportional to 12,292.47, 18,438.71 and 3,527.46 is: 5,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.47 : 18,438.71 = 3,527.46 : x
  2. Step 2: Convert to fraction form
    12,292.47/18,438.71 = 3,527.46/x
  3. Step 3: Cross multiply
    12,292.47x = 18,438.71 × 3,527.46
  4. Step 4: Simplify right side
    12,292.47x = 65,041,794.34
  5. Step 5: Solve for x
    x = 65,041,794.34/12,292.47
  6. Step 6: Final answer
    x = 5,291.19

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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.