Home / 6,653.04-9,178.29-3,998.93

Finding the Fourth Proportional to 6,653.04, 9,178.29 and 3,998.93

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Solution

The fourth proportional to 6,653.04, 9,178.29 and 3,998.93 is: 5,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.04 : 9,178.29 = 3,998.93 : x
  2. Step 2: Convert to fraction form
    6,653.04/9,178.29 = 3,998.93/x
  3. Step 3: Cross multiply
    6,653.04x = 9,178.29 × 3,998.93
  4. Step 4: Simplify right side
    6,653.04x = 36,703,293.34
  5. Step 5: Solve for x
    x = 36,703,293.34/6,653.04
  6. Step 6: Final answer
    x = 5,516.77

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Double scale
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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.