Home / 12,513.48-17,268.18-7,207.56

Finding the Fourth Proportional to 12,513.48, 17,268.18 and 7,207.56

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Solution

The fourth proportional to 12,513.48, 17,268.18 and 7,207.56 is: 9,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.48 : 17,268.18 = 7,207.56 : x
  2. Step 2: Convert to fraction form
    12,513.48/17,268.18 = 7,207.56/x
  3. Step 3: Cross multiply
    12,513.48x = 17,268.18 × 7,207.56
  4. Step 4: Simplify right side
    12,513.48x = 124,461,443.44
  5. Step 5: Solve for x
    x = 124,461,443.44/12,513.48
  6. Step 6: Final answer
    x = 9,946.19

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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.