Home / 12,370.44-17,071.74-7,065.66

Finding the Fourth Proportional to 12,370.44, 17,071.74 and 7,065.66

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Solution

The fourth proportional to 12,370.44, 17,071.74 and 7,065.66 is: 9,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.44 : 17,071.74 = 7,065.66 : x
  2. Step 2: Convert to fraction form
    12,370.44/17,071.74 = 7,065.66/x
  3. Step 3: Cross multiply
    12,370.44x = 17,071.74 × 7,065.66
  4. Step 4: Simplify right side
    12,370.44x = 120,623,110.45
  5. Step 5: Solve for x
    x = 120,623,110.45/12,370.44
  6. Step 6: Final answer
    x = 9,750.92

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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.