Home / 11,447.39-15,800.45-10,750.38

Finding the Fourth Proportional to 11,447.39, 15,800.45 and 10,750.38

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Solution

The fourth proportional to 11,447.39, 15,800.45 and 10,750.38 is: 14,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.39 : 15,800.45 = 10,750.38 : x
  2. Step 2: Convert to fraction form
    11,447.39/15,800.45 = 10,750.38/x
  3. Step 3: Cross multiply
    11,447.39x = 15,800.45 × 10,750.38
  4. Step 4: Simplify right side
    11,447.39x = 169,860,841.67
  5. Step 5: Solve for x
    x = 169,860,841.67/11,447.39
  6. Step 6: Final answer
    x = 14,838.39

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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.