Home / 8,354.68-11,530.45-4,817.81

Finding the Fourth Proportional to 8,354.68, 11,530.45 and 4,817.81

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Solution

The fourth proportional to 8,354.68, 11,530.45 and 4,817.81 is: 6,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.68 : 11,530.45 = 4,817.81 : x
  2. Step 2: Convert to fraction form
    8,354.68/11,530.45 = 4,817.81/x
  3. Step 3: Cross multiply
    8,354.68x = 11,530.45 × 4,817.81
  4. Step 4: Simplify right side
    8,354.68x = 55,551,552.16
  5. Step 5: Solve for x
    x = 55,551,552.16/8,354.68
  6. Step 6: Final answer
    x = 6,649.16

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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.