Home / 11,929.26-16,461.54-6,623.65

Finding the Fourth Proportional to 11,929.26, 16,461.54 and 6,623.65

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Solution

The fourth proportional to 11,929.26, 16,461.54 and 6,623.65 is: 9,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.26 : 16,461.54 = 6,623.65 : x
  2. Step 2: Convert to fraction form
    11,929.26/16,461.54 = 6,623.65/x
  3. Step 3: Cross multiply
    11,929.26x = 16,461.54 × 6,623.65
  4. Step 4: Simplify right side
    11,929.26x = 109,035,479.42
  5. Step 5: Solve for x
    x = 109,035,479.42/11,929.26
  6. Step 6: Final answer
    x = 9,140.17

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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.