Home / 9,514.24-13,130.16-5,321.76

Finding the Fourth Proportional to 9,514.24, 13,130.16 and 5,321.76

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Solution

The fourth proportional to 9,514.24, 13,130.16 and 5,321.76 is: 7,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.24 : 13,130.16 = 5,321.76 : x
  2. Step 2: Convert to fraction form
    9,514.24/13,130.16 = 5,321.76/x
  3. Step 3: Cross multiply
    9,514.24x = 13,130.16 × 5,321.76
  4. Step 4: Simplify right side
    9,514.24x = 69,875,560.28
  5. Step 5: Solve for x
    x = 69,875,560.28/9,514.24
  6. Step 6: Final answer
    x = 7,344.31

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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.