Home / 11,972.04-16,521.13-6,666.74

Finding the Fourth Proportional to 11,972.04, 16,521.13 and 6,666.74

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Solution

The fourth proportional to 11,972.04, 16,521.13 and 6,666.74 is: 9,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.04 : 16,521.13 = 6,666.74 : x
  2. Step 2: Convert to fraction form
    11,972.04/16,521.13 = 6,666.74/x
  3. Step 3: Cross multiply
    11,972.04x = 16,521.13 × 6,666.74
  4. Step 4: Simplify right side
    11,972.04x = 110,142,078.22
  5. Step 5: Solve for x
    x = 110,142,078.22/11,972.04
  6. Step 6: Final answer
    x = 9,199.94

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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.