Home / 12,503.36-17,238.48-10,371.08

Finding the Fourth Proportional to 12,503.36, 17,238.48 and 10,371.08

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Solution

The fourth proportional to 12,503.36, 17,238.48 and 10,371.08 is: 14,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.36 : 17,238.48 = 10,371.08 : x
  2. Step 2: Convert to fraction form
    12,503.36/17,238.48 = 10,371.08/x
  3. Step 3: Cross multiply
    12,503.36x = 17,238.48 × 10,371.08
  4. Step 4: Simplify right side
    12,503.36x = 178,781,655.16
  5. Step 5: Solve for x
    x = 178,781,655.16/12,503.36
  6. Step 6: Final answer
    x = 14,298.69

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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.