Home / 6,622.14-9,142.56-4,385.93

Finding the Fourth Proportional to 6,622.14, 9,142.56 and 4,385.93

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Solution

The fourth proportional to 6,622.14, 9,142.56 and 4,385.93 is: 6,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.14 : 9,142.56 = 4,385.93 : x
  2. Step 2: Convert to fraction form
    6,622.14/9,142.56 = 4,385.93/x
  3. Step 3: Cross multiply
    6,622.14x = 9,142.56 × 4,385.93
  4. Step 4: Simplify right side
    6,622.14x = 40,098,628.18
  5. Step 5: Solve for x
    x = 40,098,628.18/6,622.14
  6. Step 6: Final answer
    x = 6,055.24

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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.