Home / 12,319.75-17,001.24-7,014.55

Finding the Fourth Proportional to 12,319.75, 17,001.24 and 7,014.55

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Solution

The fourth proportional to 12,319.75, 17,001.24 and 7,014.55 is: 9,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.75 : 17,001.24 = 7,014.55 : x
  2. Step 2: Convert to fraction form
    12,319.75/17,001.24 = 7,014.55/x
  3. Step 3: Cross multiply
    12,319.75x = 17,001.24 × 7,014.55
  4. Step 4: Simplify right side
    12,319.75x = 119,256,050.57
  5. Step 5: Solve for x
    x = 119,256,050.57/12,319.75
  6. Step 6: Final answer
    x = 9,680.07

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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.