Home / 9,001.08-12,420.54-5,022.36

Finding the Fourth Proportional to 9,001.08, 12,420.54 and 5,022.36

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Solution

The fourth proportional to 9,001.08, 12,420.54 and 5,022.36 is: 6,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.08 : 12,420.54 = 5,022.36 : x
  2. Step 2: Convert to fraction form
    9,001.08/12,420.54 = 5,022.36/x
  3. Step 3: Cross multiply
    9,001.08x = 12,420.54 × 5,022.36
  4. Step 4: Simplify right side
    9,001.08x = 62,380,423.27
  5. Step 5: Solve for x
    x = 62,380,423.27/9,001.08
  6. Step 6: Final answer
    x = 6,930.33

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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.