Home / 10,341.73-15,515.33-5,410.05

Finding the Fourth Proportional to 10,341.73, 15,515.33 and 5,410.05

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Solution

The fourth proportional to 10,341.73, 15,515.33 and 5,410.05 is: 8,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.73 : 15,515.33 = 5,410.05 : x
  2. Step 2: Convert to fraction form
    10,341.73/15,515.33 = 5,410.05/x
  3. Step 3: Cross multiply
    10,341.73x = 15,515.33 × 5,410.05
  4. Step 4: Simplify right side
    10,341.73x = 83,938,711.07
  5. Step 5: Solve for x
    x = 83,938,711.07/10,341.73
  6. Step 6: Final answer
    x = 8,116.51

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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.