Home / 12,360.42-18,535.01-5,337.09

Finding the Fourth Proportional to 12,360.42, 18,535.01 and 5,337.09

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Solution

The fourth proportional to 12,360.42, 18,535.01 and 5,337.09 is: 8,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.42 : 18,535.01 = 5,337.09 : x
  2. Step 2: Convert to fraction form
    12,360.42/18,535.01 = 5,337.09/x
  3. Step 3: Cross multiply
    12,360.42x = 18,535.01 × 5,337.09
  4. Step 4: Simplify right side
    12,360.42x = 98,922,989.84
  5. Step 5: Solve for x
    x = 98,922,989.84/12,360.42
  6. Step 6: Final answer
    x = 8,003.21

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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.