Home / 11,816.47-16,306.14-6,510.43

Finding the Fourth Proportional to 11,816.47, 16,306.14 and 6,510.43

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Solution

The fourth proportional to 11,816.47, 16,306.14 and 6,510.43 is: 8,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.47 : 16,306.14 = 6,510.43 : x
  2. Step 2: Convert to fraction form
    11,816.47/16,306.14 = 6,510.43/x
  3. Step 3: Cross multiply
    11,816.47x = 16,306.14 × 6,510.43
  4. Step 4: Simplify right side
    11,816.47x = 106,159,983.04
  5. Step 5: Solve for x
    x = 106,159,983.04/11,816.47
  6. Step 6: Final answer
    x = 8,984.07

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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.