Home / 7,164.24-9,886.44-4,020.48

Finding the Fourth Proportional to 7,164.24, 9,886.44 and 4,020.48

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Solution

The fourth proportional to 7,164.24, 9,886.44 and 4,020.48 is: 5,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.24 : 9,886.44 = 4,020.48 : x
  2. Step 2: Convert to fraction form
    7,164.24/9,886.44 = 4,020.48/x
  3. Step 3: Cross multiply
    7,164.24x = 9,886.44 × 4,020.48
  4. Step 4: Simplify right side
    7,164.24x = 39,748,234.29
  5. Step 5: Solve for x
    x = 39,748,234.29/7,164.24
  6. Step 6: Final answer
    x = 5,548.14

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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.