Home / 10,721.70-16,043.67-9,059.58

Finding the Fourth Proportional to 10,721.70, 16,043.67 and 9,059.58

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Solution

The fourth proportional to 10,721.70, 16,043.67 and 9,059.58 is: 13,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.70 : 16,043.67 = 9,059.58 : x
  2. Step 2: Convert to fraction form
    10,721.70/16,043.67 = 9,059.58/x
  3. Step 3: Cross multiply
    10,721.70x = 16,043.67 × 9,059.58
  4. Step 4: Simplify right side
    10,721.70x = 145,348,911.86
  5. Step 5: Solve for x
    x = 145,348,911.86/10,721.70
  6. Step 6: Final answer
    x = 13,556.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.