Home / 9,514.08-13,129.68-5,322.30

Finding the Fourth Proportional to 9,514.08, 13,129.68 and 5,322.30

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Solution

The fourth proportional to 9,514.08, 13,129.68 and 5,322.30 is: 7,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.08 : 13,129.68 = 5,322.30 : x
  2. Step 2: Convert to fraction form
    9,514.08/13,129.68 = 5,322.30/x
  3. Step 3: Cross multiply
    9,514.08x = 13,129.68 × 5,322.30
  4. Step 4: Simplify right side
    9,514.08x = 69,880,095.86
  5. Step 5: Solve for x
    x = 69,880,095.86/9,514.08
  6. Step 6: Final answer
    x = 7,344.91

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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.