Home / 7,805.13-11,711.75-5,968.05

Finding the Fourth Proportional to 7,805.13, 11,711.75 and 5,968.05

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Solution

The fourth proportional to 7,805.13, 11,711.75 and 5,968.05 is: 8,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.13 : 11,711.75 = 5,968.05 : x
  2. Step 2: Convert to fraction form
    7,805.13/11,711.75 = 5,968.05/x
  3. Step 3: Cross multiply
    7,805.13x = 11,711.75 × 5,968.05
  4. Step 4: Simplify right side
    7,805.13x = 69,896,279.75
  5. Step 5: Solve for x
    x = 69,896,279.75/7,805.13
  6. Step 6: Final answer
    x = 8,955.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.