Home / 8,045.85-11,103.81-4,509.30

Finding the Fourth Proportional to 8,045.85, 11,103.81 and 4,509.30

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Solution

The fourth proportional to 8,045.85, 11,103.81 and 4,509.30 is: 6,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.85 : 11,103.81 = 4,509.30 : x
  2. Step 2: Convert to fraction form
    8,045.85/11,103.81 = 4,509.30/x
  3. Step 3: Cross multiply
    8,045.85x = 11,103.81 × 4,509.30
  4. Step 4: Simplify right side
    8,045.85x = 50,070,410.43
  5. Step 5: Solve for x
    x = 50,070,410.43/8,045.85
  6. Step 6: Final answer
    x = 6,223.13

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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.