Home / 7,220.96-10,823.13-3,317.16

Finding the Fourth Proportional to 7,220.96, 10,823.13 and 3,317.16

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Solution

The fourth proportional to 7,220.96, 10,823.13 and 3,317.16 is: 4,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.96 : 10,823.13 = 3,317.16 : x
  2. Step 2: Convert to fraction form
    7,220.96/10,823.13 = 3,317.16/x
  3. Step 3: Cross multiply
    7,220.96x = 10,823.13 × 3,317.16
  4. Step 4: Simplify right side
    7,220.96x = 35,902,053.91
  5. Step 5: Solve for x
    x = 35,902,053.91/7,220.96
  6. Step 6: Final answer
    x = 4,971.93

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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.