Home / 7,862.30-10,849.47-4,277.22

Finding the Fourth Proportional to 7,862.30, 10,849.47 and 4,277.22

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Solution

The fourth proportional to 7,862.30, 10,849.47 and 4,277.22 is: 5,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.30 : 10,849.47 = 4,277.22 : x
  2. Step 2: Convert to fraction form
    7,862.30/10,849.47 = 4,277.22/x
  3. Step 3: Cross multiply
    7,862.30x = 10,849.47 × 4,277.22
  4. Step 4: Simplify right side
    7,862.30x = 46,405,570.07
  5. Step 5: Solve for x
    x = 46,405,570.07/7,862.30
  6. Step 6: Final answer
    x = 5,902.29

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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.