Home / 9,514.35-13,129.80-5,322.60

Finding the Fourth Proportional to 9,514.35, 13,129.80 and 5,322.60

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Solution

The fourth proportional to 9,514.35, 13,129.80 and 5,322.60 is: 7,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.35 : 13,129.80 = 5,322.60 : x
  2. Step 2: Convert to fraction form
    9,514.35/13,129.80 = 5,322.60/x
  3. Step 3: Cross multiply
    9,514.35x = 13,129.80 × 5,322.60
  4. Step 4: Simplify right side
    9,514.35x = 69,884,673.48
  5. Step 5: Solve for x
    x = 69,884,673.48/9,514.35
  6. Step 6: Final answer
    x = 7,345.19

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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.