Home / 7,331.26-10,118.70-4,678.06

Finding the Fourth Proportional to 7,331.26, 10,118.70 and 4,678.06

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Solution

The fourth proportional to 7,331.26, 10,118.70 and 4,678.06 is: 6,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.26 : 10,118.70 = 4,678.06 : x
  2. Step 2: Convert to fraction form
    7,331.26/10,118.70 = 4,678.06/x
  3. Step 3: Cross multiply
    7,331.26x = 10,118.70 × 4,678.06
  4. Step 4: Simplify right side
    7,331.26x = 47,335,885.72
  5. Step 5: Solve for x
    x = 47,335,885.72/7,331.26
  6. Step 6: Final answer
    x = 6,456.72

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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.