Home / 8,626.93-11,904.79-5,275.35

Finding the Fourth Proportional to 8,626.93, 11,904.79 and 5,275.35

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Solution

The fourth proportional to 8,626.93, 11,904.79 and 5,275.35 is: 7,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.93 : 11,904.79 = 5,275.35 : x
  2. Step 2: Convert to fraction form
    8,626.93/11,904.79 = 5,275.35/x
  3. Step 3: Cross multiply
    8,626.93x = 11,904.79 × 5,275.35
  4. Step 4: Simplify right side
    8,626.93x = 62,801,933.93
  5. Step 5: Solve for x
    x = 62,801,933.93/8,626.93
  6. Step 6: Final answer
    x = 7,279.75

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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.