Home / 12,557.58-17,344.79-9,195.67

Finding the Fourth Proportional to 12,557.58, 17,344.79 and 9,195.67

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Solution

The fourth proportional to 12,557.58, 17,344.79 and 9,195.67 is: 12,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.58 : 17,344.79 = 9,195.67 : x
  2. Step 2: Convert to fraction form
    12,557.58/17,344.79 = 9,195.67/x
  3. Step 3: Cross multiply
    12,557.58x = 17,344.79 × 9,195.67
  4. Step 4: Simplify right side
    12,557.58x = 159,496,965.06
  5. Step 5: Solve for x
    x = 159,496,965.06/12,557.58
  6. Step 6: Final answer
    x = 12,701.25

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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.