Home / 8,903.10-13,356.72-2,663.58

Finding the Fourth Proportional to 8,903.10, 13,356.72 and 2,663.58

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Solution

The fourth proportional to 8,903.10, 13,356.72 and 2,663.58 is: 3,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.10 : 13,356.72 = 2,663.58 : x
  2. Step 2: Convert to fraction form
    8,903.10/13,356.72 = 2,663.58/x
  3. Step 3: Cross multiply
    8,903.10x = 13,356.72 × 2,663.58
  4. Step 4: Simplify right side
    8,903.10x = 35,576,692.26
  5. Step 5: Solve for x
    x = 35,576,692.26/8,903.10
  6. Step 6: Final answer
    x = 3,995.99

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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.