Home / 9,085.14-12,535.28-5,306.16

Finding the Fourth Proportional to 9,085.14, 12,535.28 and 5,306.16

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Solution

The fourth proportional to 9,085.14, 12,535.28 and 5,306.16 is: 7,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.14 : 12,535.28 = 5,306.16 : x
  2. Step 2: Convert to fraction form
    9,085.14/12,535.28 = 5,306.16/x
  3. Step 3: Cross multiply
    9,085.14x = 12,535.28 × 5,306.16
  4. Step 4: Simplify right side
    9,085.14x = 66,514,201.32
  5. Step 5: Solve for x
    x = 66,514,201.32/9,085.14
  6. Step 6: Final answer
    x = 7,321.21

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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.