Home / 11,152.26-15,389.55-6,436.26

Finding the Fourth Proportional to 11,152.26, 15,389.55 and 6,436.26

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Solution

The fourth proportional to 11,152.26, 15,389.55 and 6,436.26 is: 8,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.26 : 15,389.55 = 6,436.26 : x
  2. Step 2: Convert to fraction form
    11,152.26/15,389.55 = 6,436.26/x
  3. Step 3: Cross multiply
    11,152.26x = 15,389.55 × 6,436.26
  4. Step 4: Simplify right side
    11,152.26x = 99,051,145.08
  5. Step 5: Solve for x
    x = 99,051,145.08/11,152.26
  6. Step 6: Final answer
    x = 8,881.71

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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.