Home / 10,574.11-15,859.90-2,783.53

Finding the Fourth Proportional to 10,574.11, 15,859.90 and 2,783.53

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Solution

The fourth proportional to 10,574.11, 15,859.90 and 2,783.53 is: 4,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.11 : 15,859.90 = 2,783.53 : x
  2. Step 2: Convert to fraction form
    10,574.11/15,859.90 = 2,783.53/x
  3. Step 3: Cross multiply
    10,574.11x = 15,859.90 × 2,783.53
  4. Step 4: Simplify right side
    10,574.11x = 44,146,507.45
  5. Step 5: Solve for x
    x = 44,146,507.45/10,574.11
  6. Step 6: Final answer
    x = 4,174.96

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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.