Home / 8,535.12-11,778.36-4,809.12

Finding the Fourth Proportional to 8,535.12, 11,778.36 and 4,809.12

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Solution

The fourth proportional to 8,535.12, 11,778.36 and 4,809.12 is: 6,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.12 : 11,778.36 = 4,809.12 : x
  2. Step 2: Convert to fraction form
    8,535.12/11,778.36 = 4,809.12/x
  3. Step 3: Cross multiply
    8,535.12x = 11,778.36 × 4,809.12
  4. Step 4: Simplify right side
    8,535.12x = 56,643,546.64
  5. Step 5: Solve for x
    x = 56,643,546.64/8,535.12
  6. Step 6: Final answer
    x = 6,636.53

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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.