Home / 11,323.29-15,626.91-6,287.72

Finding the Fourth Proportional to 11,323.29, 15,626.91 and 6,287.72

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Solution

The fourth proportional to 11,323.29, 15,626.91 and 6,287.72 is: 8,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.29 : 15,626.91 = 6,287.72 : x
  2. Step 2: Convert to fraction form
    11,323.29/15,626.91 = 6,287.72/x
  3. Step 3: Cross multiply
    11,323.29x = 15,626.91 × 6,287.72
  4. Step 4: Simplify right side
    11,323.29x = 98,257,603.11
  5. Step 5: Solve for x
    x = 98,257,603.11/11,323.29
  6. Step 6: Final answer
    x = 8,677.48

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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.