Home / 6,887.12-10,331.10-6,071.06

Finding the Fourth Proportional to 6,887.12, 10,331.10 and 6,071.06

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Solution

The fourth proportional to 6,887.12, 10,331.10 and 6,071.06 is: 9,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.12 : 10,331.10 = 6,071.06 : x
  2. Step 2: Convert to fraction form
    6,887.12/10,331.10 = 6,071.06/x
  3. Step 3: Cross multiply
    6,887.12x = 10,331.10 × 6,071.06
  4. Step 4: Simplify right side
    6,887.12x = 62,720,727.97
  5. Step 5: Solve for x
    x = 62,720,727.97/6,887.12
  6. Step 6: Final answer
    x = 9,106.96

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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.