Home / 7,207.18-10,849.01-5,141.48

Finding the Fourth Proportional to 7,207.18, 10,849.01 and 5,141.48

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Solution

The fourth proportional to 7,207.18, 10,849.01 and 5,141.48 is: 7,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.18 : 10,849.01 = 5,141.48 : x
  2. Step 2: Convert to fraction form
    7,207.18/10,849.01 = 5,141.48/x
  3. Step 3: Cross multiply
    7,207.18x = 10,849.01 × 5,141.48
  4. Step 4: Simplify right side
    7,207.18x = 55,779,887.98
  5. Step 5: Solve for x
    x = 55,779,887.98/7,207.18
  6. Step 6: Final answer
    x = 7,739.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.