Home / 9,401.14-12,973.65-5,209.46

Finding the Fourth Proportional to 9,401.14, 12,973.65 and 5,209.46

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Solution

The fourth proportional to 9,401.14, 12,973.65 and 5,209.46 is: 7,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.14 : 12,973.65 = 5,209.46 : x
  2. Step 2: Convert to fraction form
    9,401.14/12,973.65 = 5,209.46/x
  3. Step 3: Cross multiply
    9,401.14x = 12,973.65 × 5,209.46
  4. Step 4: Simplify right side
    9,401.14x = 67,585,710.73
  5. Step 5: Solve for x
    x = 67,585,710.73/9,401.14
  6. Step 6: Final answer
    x = 7,189.10

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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.