Home / 10,303.24-15,455.49-2,908.36

Finding the Fourth Proportional to 10,303.24, 15,455.49 and 2,908.36

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Solution

The fourth proportional to 10,303.24, 15,455.49 and 2,908.36 is: 4,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.24 : 15,455.49 = 2,908.36 : x
  2. Step 2: Convert to fraction form
    10,303.24/15,455.49 = 2,908.36/x
  3. Step 3: Cross multiply
    10,303.24x = 15,455.49 × 2,908.36
  4. Step 4: Simplify right side
    10,303.24x = 44,950,128.90
  5. Step 5: Solve for x
    x = 44,950,128.90/10,303.24
  6. Step 6: Final answer
    x = 4,362.72

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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.