Home / 12,317.50-18,476.25-5,392.02

Finding the Fourth Proportional to 12,317.50, 18,476.25 and 5,392.02

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Solution

The fourth proportional to 12,317.50, 18,476.25 and 5,392.02 is: 8,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.50 : 18,476.25 = 5,392.02 : x
  2. Step 2: Convert to fraction form
    12,317.50/18,476.25 = 5,392.02/x
  3. Step 3: Cross multiply
    12,317.50x = 18,476.25 × 5,392.02
  4. Step 4: Simplify right side
    12,317.50x = 99,624,309.53
  5. Step 5: Solve for x
    x = 99,624,309.53/12,317.50
  6. Step 6: Final answer
    x = 8,088.03

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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.