Home / 10,815.93-16,223.90-4,976.64

Finding the Fourth Proportional to 10,815.93, 16,223.90 and 4,976.64

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Solution

The fourth proportional to 10,815.93, 16,223.90 and 4,976.64 is: 7,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.93 : 16,223.90 = 4,976.64 : x
  2. Step 2: Convert to fraction form
    10,815.93/16,223.90 = 4,976.64/x
  3. Step 3: Cross multiply
    10,815.93x = 16,223.90 × 4,976.64
  4. Step 4: Simplify right side
    10,815.93x = 80,740,484.81
  5. Step 5: Solve for x
    x = 80,740,484.81/10,815.93
  6. Step 6: Final answer
    x = 7,464.96

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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.