Home / 8,303.09-12,454.59-3,558.55

Finding the Fourth Proportional to 8,303.09, 12,454.59 and 3,558.55

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Solution

The fourth proportional to 8,303.09, 12,454.59 and 3,558.55 is: 5,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.09 : 12,454.59 = 3,558.55 : x
  2. Step 2: Convert to fraction form
    8,303.09/12,454.59 = 3,558.55/x
  3. Step 3: Cross multiply
    8,303.09x = 12,454.59 × 3,558.55
  4. Step 4: Simplify right side
    8,303.09x = 44,320,281.24
  5. Step 5: Solve for x
    x = 44,320,281.24/8,303.09
  6. Step 6: Final answer
    x = 5,337.81

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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.