Home / 10,378.62-15,558.12-4,829.04

Finding the Fourth Proportional to 10,378.62, 15,558.12 and 4,829.04

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Solution

The fourth proportional to 10,378.62, 15,558.12 and 4,829.04 is: 7,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.62 : 15,558.12 = 4,829.04 : x
  2. Step 2: Convert to fraction form
    10,378.62/15,558.12 = 4,829.04/x
  3. Step 3: Cross multiply
    10,378.62x = 15,558.12 × 4,829.04
  4. Step 4: Simplify right side
    10,378.62x = 75,130,783.80
  5. Step 5: Solve for x
    x = 75,130,783.80/10,378.62
  6. Step 6: Final answer
    x = 7,239.00

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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.