Home / 8,355.46-11,530.51-4,818.64

Finding the Fourth Proportional to 8,355.46, 11,530.51 and 4,818.64

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Solution

The fourth proportional to 8,355.46, 11,530.51 and 4,818.64 is: 6,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.46 : 11,530.51 = 4,818.64 : x
  2. Step 2: Convert to fraction form
    8,355.46/11,530.51 = 4,818.64/x
  3. Step 3: Cross multiply
    8,355.46x = 11,530.51 × 4,818.64
  4. Step 4: Simplify right side
    8,355.46x = 55,561,376.71
  5. Step 5: Solve for x
    x = 55,561,376.71/8,355.46
  6. Step 6: Final answer
    x = 6,649.71

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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.