Home / 13,029.35-17,980.43-7,060.95

Finding the Fourth Proportional to 13,029.35, 17,980.43 and 7,060.95

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Solution

The fourth proportional to 13,029.35, 17,980.43 and 7,060.95 is: 9,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.35 : 17,980.43 = 7,060.95 : x
  2. Step 2: Convert to fraction form
    13,029.35/17,980.43 = 7,060.95/x
  3. Step 3: Cross multiply
    13,029.35x = 17,980.43 × 7,060.95
  4. Step 4: Simplify right side
    13,029.35x = 126,958,881.90
  5. Step 5: Solve for x
    x = 126,958,881.90/13,029.35
  6. Step 6: Final answer
    x = 9,744.07

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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.