Home / 10,686.75-16,030.12-2,895.56

Finding the Fourth Proportional to 10,686.75, 16,030.12 and 2,895.56

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Solution

The fourth proportional to 10,686.75, 16,030.12 and 2,895.56 is: 4,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.75 : 16,030.12 = 2,895.56 : x
  2. Step 2: Convert to fraction form
    10,686.75/16,030.12 = 2,895.56/x
  3. Step 3: Cross multiply
    10,686.75x = 16,030.12 × 2,895.56
  4. Step 4: Simplify right side
    10,686.75x = 46,416,150.61
  5. Step 5: Solve for x
    x = 46,416,150.61/10,686.75
  6. Step 6: Final answer
    x = 4,343.34

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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.