Home / 8,472.04-11,685.57-5,814.84

Finding the Fourth Proportional to 8,472.04, 11,685.57 and 5,814.84

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Solution

The fourth proportional to 8,472.04, 11,685.57 and 5,814.84 is: 8,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.04 : 11,685.57 = 5,814.84 : x
  2. Step 2: Convert to fraction form
    8,472.04/11,685.57 = 5,814.84/x
  3. Step 3: Cross multiply
    8,472.04x = 11,685.57 × 5,814.84
  4. Step 4: Simplify right side
    8,472.04x = 67,949,676.14
  5. Step 5: Solve for x
    x = 67,949,676.14/8,472.04
  6. Step 6: Final answer
    x = 8,020.46

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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.