Home / 9,206.88-12,705.57-5,015.13

Finding the Fourth Proportional to 9,206.88, 12,705.57 and 5,015.13

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Solution

The fourth proportional to 9,206.88, 12,705.57 and 5,015.13 is: 6,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.88 : 12,705.57 = 5,015.13 : x
  2. Step 2: Convert to fraction form
    9,206.88/12,705.57 = 5,015.13/x
  3. Step 3: Cross multiply
    9,206.88x = 12,705.57 × 5,015.13
  4. Step 4: Simplify right side
    9,206.88x = 63,720,085.27
  5. Step 5: Solve for x
    x = 63,720,085.27/9,206.88
  6. Step 6: Final answer
    x = 6,920.92

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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.