Home / 9,021.36-12,448.65-5,042.34

Finding the Fourth Proportional to 9,021.36, 12,448.65 and 5,042.34

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Solution

The fourth proportional to 9,021.36, 12,448.65 and 5,042.34 is: 6,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.36 : 12,448.65 = 5,042.34 : x
  2. Step 2: Convert to fraction form
    9,021.36/12,448.65 = 5,042.34/x
  3. Step 3: Cross multiply
    9,021.36x = 12,448.65 × 5,042.34
  4. Step 4: Simplify right side
    9,021.36x = 62,770,325.84
  5. Step 5: Solve for x
    x = 62,770,325.84/9,021.36
  6. Step 6: Final answer
    x = 6,957.97

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Half scale
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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.