Home / 9,514.50-13,130.07-5,322.75

Finding the Fourth Proportional to 9,514.50, 13,130.07 and 5,322.75

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Solution

The fourth proportional to 9,514.50, 13,130.07 and 5,322.75 is: 7,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.50 : 13,130.07 = 5,322.75 : x
  2. Step 2: Convert to fraction form
    9,514.50/13,130.07 = 5,322.75/x
  3. Step 3: Cross multiply
    9,514.50x = 13,130.07 × 5,322.75
  4. Step 4: Simplify right side
    9,514.50x = 69,888,080.09
  5. Step 5: Solve for x
    x = 69,888,080.09/9,514.50
  6. Step 6: Final answer
    x = 7,345.43

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Double scale
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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.