Home / 9,220.24-12,723.98-5,242.19

Finding the Fourth Proportional to 9,220.24, 12,723.98 and 5,242.19

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Solution

The fourth proportional to 9,220.24, 12,723.98 and 5,242.19 is: 7,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.24 : 12,723.98 = 5,242.19 : x
  2. Step 2: Convert to fraction form
    9,220.24/12,723.98 = 5,242.19/x
  3. Step 3: Cross multiply
    9,220.24x = 12,723.98 × 5,242.19
  4. Step 4: Simplify right side
    9,220.24x = 66,701,430.89
  5. Step 5: Solve for x
    x = 66,701,430.89/9,220.24
  6. Step 6: Final answer
    x = 7,234.24

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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.