Home / 8,929.26-12,322.27-5,152.38

Finding the Fourth Proportional to 8,929.26, 12,322.27 and 5,152.38

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Solution

The fourth proportional to 8,929.26, 12,322.27 and 5,152.38 is: 7,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.26 : 12,322.27 = 5,152.38 : x
  2. Step 2: Convert to fraction form
    8,929.26/12,322.27 = 5,152.38/x
  3. Step 3: Cross multiply
    8,929.26x = 12,322.27 × 5,152.38
  4. Step 4: Simplify right side
    8,929.26x = 63,489,017.50
  5. Step 5: Solve for x
    x = 63,489,017.50/8,929.26
  6. Step 6: Final answer
    x = 7,110.22

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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.