Home / 13,011.84-17,957.14-7,344.53

Finding the Fourth Proportional to 13,011.84, 17,957.14 and 7,344.53

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Solution

The fourth proportional to 13,011.84, 17,957.14 and 7,344.53 is: 10,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.84 : 17,957.14 = 7,344.53 : x
  2. Step 2: Convert to fraction form
    13,011.84/17,957.14 = 7,344.53/x
  3. Step 3: Cross multiply
    13,011.84x = 17,957.14 × 7,344.53
  4. Step 4: Simplify right side
    13,011.84x = 131,886,645.30
  5. Step 5: Solve for x
    x = 131,886,645.30/13,011.84
  6. Step 6: Final answer
    x = 10,135.90

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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.