Home / 10,834.60-16,230.30-5,643.40

Finding the Fourth Proportional to 10,834.60, 16,230.30 and 5,643.40

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Solution

The fourth proportional to 10,834.60, 16,230.30 and 5,643.40 is: 8,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.60 : 16,230.30 = 5,643.40 : x
  2. Step 2: Convert to fraction form
    10,834.60/16,230.30 = 5,643.40/x
  3. Step 3: Cross multiply
    10,834.60x = 16,230.30 × 5,643.40
  4. Step 4: Simplify right side
    10,834.60x = 91,594,075.02
  5. Step 5: Solve for x
    x = 91,594,075.02/10,834.60
  6. Step 6: Final answer
    x = 8,453.85

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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.