Home / 9,815.04-13,544.99-5,339.04

Finding the Fourth Proportional to 9,815.04, 13,544.99 and 5,339.04

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Solution

The fourth proportional to 9,815.04, 13,544.99 and 5,339.04 is: 7,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.04 : 13,544.99 = 5,339.04 : x
  2. Step 2: Convert to fraction form
    9,815.04/13,544.99 = 5,339.04/x
  3. Step 3: Cross multiply
    9,815.04x = 13,544.99 × 5,339.04
  4. Step 4: Simplify right side
    9,815.04x = 72,317,165.92
  5. Step 5: Solve for x
    x = 72,317,165.92/9,815.04
  6. Step 6: Final answer
    x = 7,367.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.