Home / 7,220.13-10,834.51-3,116.13

Finding the Fourth Proportional to 7,220.13, 10,834.51 and 3,116.13

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Solution

The fourth proportional to 7,220.13, 10,834.51 and 3,116.13 is: 4,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.13 : 10,834.51 = 3,116.13 : x
  2. Step 2: Convert to fraction form
    7,220.13/10,834.51 = 3,116.13/x
  3. Step 3: Cross multiply
    7,220.13x = 10,834.51 × 3,116.13
  4. Step 4: Simplify right side
    7,220.13x = 33,761,741.65
  5. Step 5: Solve for x
    x = 33,761,741.65/7,220.13
  6. Step 6: Final answer
    x = 4,676.06

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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.