Home / 15,869.77-23,815.41-6,511.48

Finding the Fourth Proportional to 15,869.77, 23,815.41 and 6,511.48

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Solution

The fourth proportional to 15,869.77, 23,815.41 and 6,511.48 is: 9,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.77 : 23,815.41 = 6,511.48 : x
  2. Step 2: Convert to fraction form
    15,869.77/23,815.41 = 6,511.48/x
  3. Step 3: Cross multiply
    15,869.77x = 23,815.41 × 6,511.48
  4. Step 4: Simplify right side
    15,869.77x = 155,073,565.91
  5. Step 5: Solve for x
    x = 155,073,565.91/15,869.77
  6. Step 6: Final answer
    x = 9,771.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.