Home / 13,062.77-18,026.37-7,397.42

Finding the Fourth Proportional to 13,062.77, 18,026.37 and 7,397.42

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Solution

The fourth proportional to 13,062.77, 18,026.37 and 7,397.42 is: 10,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.77 : 18,026.37 = 7,397.42 : x
  2. Step 2: Convert to fraction form
    13,062.77/18,026.37 = 7,397.42/x
  3. Step 3: Cross multiply
    13,062.77x = 18,026.37 × 7,397.42
  4. Step 4: Simplify right side
    13,062.77x = 133,348,675.03
  5. Step 5: Solve for x
    x = 133,348,675.03/13,062.77
  6. Step 6: Final answer
    x = 10,208.30

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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.