Home / 7,153.09-9,873.42-4,635.34

Finding the Fourth Proportional to 7,153.09, 9,873.42 and 4,635.34

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Solution

The fourth proportional to 7,153.09, 9,873.42 and 4,635.34 is: 6,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.09 : 9,873.42 = 4,635.34 : x
  2. Step 2: Convert to fraction form
    7,153.09/9,873.42 = 4,635.34/x
  3. Step 3: Cross multiply
    7,153.09x = 9,873.42 × 4,635.34
  4. Step 4: Simplify right side
    7,153.09x = 45,766,658.66
  5. Step 5: Solve for x
    x = 45,766,658.66/7,153.09
  6. Step 6: Final answer
    x = 6,398.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.