Home / 12,799.06-17,648.07-10,402.47

Finding the Fourth Proportional to 12,799.06, 17,648.07 and 10,402.47

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Solution

The fourth proportional to 12,799.06, 17,648.07 and 10,402.47 is: 14,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.06 : 17,648.07 = 10,402.47 : x
  2. Step 2: Convert to fraction form
    12,799.06/17,648.07 = 10,402.47/x
  3. Step 3: Cross multiply
    12,799.06x = 17,648.07 × 10,402.47
  4. Step 4: Simplify right side
    12,799.06x = 183,583,536.85
  5. Step 5: Solve for x
    x = 183,583,536.85/12,799.06
  6. Step 6: Final answer
    x = 14,343.52

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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.