Home / 9,815.04-13,544.40-5,623

Finding the Fourth Proportional to 9,815.04, 13,544.40 and 5,623

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Solution

The fourth proportional to 9,815.04, 13,544.40 and 5,623 is: 7,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.04 : 13,544.40 = 5,623 : x
  2. Step 2: Convert to fraction form
    9,815.04/13,544.40 = 5,623/x
  3. Step 3: Cross multiply
    9,815.04x = 13,544.40 × 5,623
  4. Step 4: Simplify right side
    9,815.04x = 76,160,161.20
  5. Step 5: Solve for x
    x = 76,160,161.20/9,815.04
  6. Step 6: Final answer
    x = 7,759.54

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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.