Home / 13,371.34-18,452.64-7,403

Finding the Fourth Proportional to 13,371.34, 18,452.64 and 7,403

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Solution

The fourth proportional to 13,371.34, 18,452.64 and 7,403 is: 10,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.34 : 18,452.64 = 7,403 : x
  2. Step 2: Convert to fraction form
    13,371.34/18,452.64 = 7,403/x
  3. Step 3: Cross multiply
    13,371.34x = 18,452.64 × 7,403
  4. Step 4: Simplify right side
    13,371.34x = 136,604,856.91
  5. Step 5: Solve for x
    x = 136,604,856.91/13,371.34
  6. Step 6: Final answer
    x = 10,216.25

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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.