Home / 6,791.04-10,128.24-6,674.40

Finding the Fourth Proportional to 6,791.04, 10,128.24 and 6,674.40

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Solution

The fourth proportional to 6,791.04, 10,128.24 and 6,674.40 is: 9,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.04 : 10,128.24 = 6,674.40 : x
  2. Step 2: Convert to fraction form
    6,791.04/10,128.24 = 6,674.40/x
  3. Step 3: Cross multiply
    6,791.04x = 10,128.24 × 6,674.40
  4. Step 4: Simplify right side
    6,791.04x = 67,599,925.06
  5. Step 5: Solve for x
    x = 67,599,925.06/6,791.04
  6. Step 6: Final answer
    x = 9,954.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.