Home / 10,464.80-15,705.09-5,535.54

Finding the Fourth Proportional to 10,464.80, 15,705.09 and 5,535.54

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Solution

The fourth proportional to 10,464.80, 15,705.09 and 5,535.54 is: 8,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.80 : 15,705.09 = 5,535.54 : x
  2. Step 2: Convert to fraction form
    10,464.80/15,705.09 = 5,535.54/x
  3. Step 3: Cross multiply
    10,464.80x = 15,705.09 × 5,535.54
  4. Step 4: Simplify right side
    10,464.80x = 86,936,153.90
  5. Step 5: Solve for x
    x = 86,936,153.90/10,464.80
  6. Step 6: Final answer
    x = 8,307.49

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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.