Home / 9,326.26-12,870.24-5,134.51

Finding the Fourth Proportional to 9,326.26, 12,870.24 and 5,134.51

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Solution

The fourth proportional to 9,326.26, 12,870.24 and 5,134.51 is: 7,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.26 : 12,870.24 = 5,134.51 : x
  2. Step 2: Convert to fraction form
    9,326.26/12,870.24 = 5,134.51/x
  3. Step 3: Cross multiply
    9,326.26x = 12,870.24 × 5,134.51
  4. Step 4: Simplify right side
    9,326.26x = 66,082,350.31
  5. Step 5: Solve for x
    x = 66,082,350.31/9,326.26
  6. Step 6: Final answer
    x = 7,085.62

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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.