Home / 12,370.93-17,072.57-7,066.85

Finding the Fourth Proportional to 12,370.93, 17,072.57 and 7,066.85

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Solution

The fourth proportional to 12,370.93, 17,072.57 and 7,066.85 is: 9,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.93 : 17,072.57 = 7,066.85 : x
  2. Step 2: Convert to fraction form
    12,370.93/17,072.57 = 7,066.85/x
  3. Step 3: Cross multiply
    12,370.93x = 17,072.57 × 7,066.85
  4. Step 4: Simplify right side
    12,370.93x = 120,649,223.61
  5. Step 5: Solve for x
    x = 120,649,223.61/12,370.93
  6. Step 6: Final answer
    x = 9,752.64

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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.