Home / 7,017.91-9,686.73-4,187.26

Finding the Fourth Proportional to 7,017.91, 9,686.73 and 4,187.26

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Solution

The fourth proportional to 7,017.91, 9,686.73 and 4,187.26 is: 5,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.91 : 9,686.73 = 4,187.26 : x
  2. Step 2: Convert to fraction form
    7,017.91/9,686.73 = 4,187.26/x
  3. Step 3: Cross multiply
    7,017.91x = 9,686.73 × 4,187.26
  4. Step 4: Simplify right side
    7,017.91x = 40,560,857.06
  5. Step 5: Solve for x
    x = 40,560,857.06/7,017.91
  6. Step 6: Final answer
    x = 5,779.62

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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.