Home / 10,815.34-16,223.01-2,607.34

Finding the Fourth Proportional to 10,815.34, 16,223.01 and 2,607.34

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Solution

The fourth proportional to 10,815.34, 16,223.01 and 2,607.34 is: 3,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.34 : 16,223.01 = 2,607.34 : x
  2. Step 2: Convert to fraction form
    10,815.34/16,223.01 = 2,607.34/x
  3. Step 3: Cross multiply
    10,815.34x = 16,223.01 × 2,607.34
  4. Step 4: Simplify right side
    10,815.34x = 42,298,902.89
  5. Step 5: Solve for x
    x = 42,298,902.89/10,815.34
  6. Step 6: Final answer
    x = 3,911.01

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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.