Home / 12,235.02-18,340.09-4,829.30

Finding the Fourth Proportional to 12,235.02, 18,340.09 and 4,829.30

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Solution

The fourth proportional to 12,235.02, 18,340.09 and 4,829.30 is: 7,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.02 : 18,340.09 = 4,829.30 : x
  2. Step 2: Convert to fraction form
    12,235.02/18,340.09 = 4,829.30/x
  3. Step 3: Cross multiply
    12,235.02x = 18,340.09 × 4,829.30
  4. Step 4: Simplify right side
    12,235.02x = 88,569,796.64
  5. Step 5: Solve for x
    x = 88,569,796.64/12,235.02
  6. Step 6: Final answer
    x = 7,239.04

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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.