Home / 10,084.96-15,124.80-4,816.80

Finding the Fourth Proportional to 10,084.96, 15,124.80 and 4,816.80

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Solution

The fourth proportional to 10,084.96, 15,124.80 and 4,816.80 is: 7,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.96 : 15,124.80 = 4,816.80 : x
  2. Step 2: Convert to fraction form
    10,084.96/15,124.80 = 4,816.80/x
  3. Step 3: Cross multiply
    10,084.96x = 15,124.80 × 4,816.80
  4. Step 4: Simplify right side
    10,084.96x = 72,853,136.64
  5. Step 5: Solve for x
    x = 72,853,136.64/10,084.96
  6. Step 6: Final answer
    x = 7,223.94

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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.