Home / 12,020.22-16,590.69-6,717.06

Finding the Fourth Proportional to 12,020.22, 16,590.69 and 6,717.06

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Solution

The fourth proportional to 12,020.22, 16,590.69 and 6,717.06 is: 9,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.22 : 16,590.69 = 6,717.06 : x
  2. Step 2: Convert to fraction form
    12,020.22/16,590.69 = 6,717.06/x
  3. Step 3: Cross multiply
    12,020.22x = 16,590.69 × 6,717.06
  4. Step 4: Simplify right side
    12,020.22x = 111,440,660.17
  5. Step 5: Solve for x
    x = 111,440,660.17/12,020.22
  6. Step 6: Final answer
    x = 9,271.10

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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.