Home / 7,261.47-10,895.85-5,416.29

Finding the Fourth Proportional to 7,261.47, 10,895.85 and 5,416.29

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Solution

The fourth proportional to 7,261.47, 10,895.85 and 5,416.29 is: 8,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.47 : 10,895.85 = 5,416.29 : x
  2. Step 2: Convert to fraction form
    7,261.47/10,895.85 = 5,416.29/x
  3. Step 3: Cross multiply
    7,261.47x = 10,895.85 × 5,416.29
  4. Step 4: Simplify right side
    7,261.47x = 59,015,083.40
  5. Step 5: Solve for x
    x = 59,015,083.40/7,261.47
  6. Step 6: Final answer
    x = 8,127.15

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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.