Home / 13,122.57-19,683.78-4,803.17

Finding the Fourth Proportional to 13,122.57, 19,683.78 and 4,803.17

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Solution

The fourth proportional to 13,122.57, 19,683.78 and 4,803.17 is: 7,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.57 : 19,683.78 = 4,803.17 : x
  2. Step 2: Convert to fraction form
    13,122.57/19,683.78 = 4,803.17/x
  3. Step 3: Cross multiply
    13,122.57x = 19,683.78 × 4,803.17
  4. Step 4: Simplify right side
    13,122.57x = 94,544,419.15
  5. Step 5: Solve for x
    x = 94,544,419.15/13,122.57
  6. Step 6: Final answer
    x = 7,204.72

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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.