Home / 8,357.81-11,535.49-4,820.54

Finding the Fourth Proportional to 8,357.81, 11,535.49 and 4,820.54

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Solution

The fourth proportional to 8,357.81, 11,535.49 and 4,820.54 is: 6,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.81 : 11,535.49 = 4,820.54 : x
  2. Step 2: Convert to fraction form
    8,357.81/11,535.49 = 4,820.54/x
  3. Step 3: Cross multiply
    8,357.81x = 11,535.49 × 4,820.54
  4. Step 4: Simplify right side
    8,357.81x = 55,607,212.20
  5. Step 5: Solve for x
    x = 55,607,212.20/8,357.81
  6. Step 6: Final answer
    x = 6,653.33

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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.