Home / 10,556.95-15,833.60-3,159.42

Finding the Fourth Proportional to 10,556.95, 15,833.60 and 3,159.42

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Solution

The fourth proportional to 10,556.95, 15,833.60 and 3,159.42 is: 4,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.95 : 15,833.60 = 3,159.42 : x
  2. Step 2: Convert to fraction form
    10,556.95/15,833.60 = 3,159.42/x
  3. Step 3: Cross multiply
    10,556.95x = 15,833.60 × 3,159.42
  4. Step 4: Simplify right side
    10,556.95x = 50,024,937.13
  5. Step 5: Solve for x
    x = 50,024,937.13/10,556.95
  6. Step 6: Final answer
    x = 4,738.58

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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.