Home / 12,089.96-18,133.02-4,697.80

Finding the Fourth Proportional to 12,089.96, 18,133.02 and 4,697.80

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Solution

The fourth proportional to 12,089.96, 18,133.02 and 4,697.80 is: 7,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.96 : 18,133.02 = 4,697.80 : x
  2. Step 2: Convert to fraction form
    12,089.96/18,133.02 = 4,697.80/x
  3. Step 3: Cross multiply
    12,089.96x = 18,133.02 × 4,697.80
  4. Step 4: Simplify right side
    12,089.96x = 85,185,301.36
  5. Step 5: Solve for x
    x = 85,185,301.36/12,089.96
  6. Step 6: Final answer
    x = 7,045.95

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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.