Home / 10,454.49-15,683.58-5,772.51

Finding the Fourth Proportional to 10,454.49, 15,683.58 and 5,772.51

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Solution

The fourth proportional to 10,454.49, 15,683.58 and 5,772.51 is: 8,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.49 : 15,683.58 = 5,772.51 : x
  2. Step 2: Convert to fraction form
    10,454.49/15,683.58 = 5,772.51/x
  3. Step 3: Cross multiply
    10,454.49x = 15,683.58 × 5,772.51
  4. Step 4: Simplify right side
    10,454.49x = 90,533,622.39
  5. Step 5: Solve for x
    x = 90,533,622.39/10,454.49
  6. Step 6: Final answer
    x = 8,659.78

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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.