Home / 12,022.54-16,590.76-6,717.35

Finding the Fourth Proportional to 12,022.54, 16,590.76 and 6,717.35

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Solution

The fourth proportional to 12,022.54, 16,590.76 and 6,717.35 is: 9,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.54 : 16,590.76 = 6,717.35 : x
  2. Step 2: Convert to fraction form
    12,022.54/16,590.76 = 6,717.35/x
  3. Step 3: Cross multiply
    12,022.54x = 16,590.76 × 6,717.35
  4. Step 4: Simplify right side
    12,022.54x = 111,445,908.10
  5. Step 5: Solve for x
    x = 111,445,908.10/12,022.54
  6. Step 6: Final answer
    x = 9,269.75

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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.