Home / 8,120.11-11,205.93-4,583.35

Finding the Fourth Proportional to 8,120.11, 11,205.93 and 4,583.35

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Solution

The fourth proportional to 8,120.11, 11,205.93 and 4,583.35 is: 6,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.11 : 11,205.93 = 4,583.35 : x
  2. Step 2: Convert to fraction form
    8,120.11/11,205.93 = 4,583.35/x
  3. Step 3: Cross multiply
    8,120.11x = 11,205.93 × 4,583.35
  4. Step 4: Simplify right side
    8,120.11x = 51,360,671.25
  5. Step 5: Solve for x
    x = 51,360,671.25/8,120.11
  6. Step 6: Final answer
    x = 6,325.12

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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.