Home / 8,073.06-11,135.05-7,008.74

Finding the Fourth Proportional to 8,073.06, 11,135.05 and 7,008.74

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Solution

The fourth proportional to 8,073.06, 11,135.05 and 7,008.74 is: 9,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.06 : 11,135.05 = 7,008.74 : x
  2. Step 2: Convert to fraction form
    8,073.06/11,135.05 = 7,008.74/x
  3. Step 3: Cross multiply
    8,073.06x = 11,135.05 × 7,008.74
  4. Step 4: Simplify right side
    8,073.06x = 78,042,670.34
  5. Step 5: Solve for x
    x = 78,042,670.34/8,073.06
  6. Step 6: Final answer
    x = 9,667.05

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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.