Home / 12,013.95-18,017.02-4,006.59

Finding the Fourth Proportional to 12,013.95, 18,017.02 and 4,006.59

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Solution

The fourth proportional to 12,013.95, 18,017.02 and 4,006.59 is: 6,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.95 : 18,017.02 = 4,006.59 : x
  2. Step 2: Convert to fraction form
    12,013.95/18,017.02 = 4,006.59/x
  3. Step 3: Cross multiply
    12,013.95x = 18,017.02 × 4,006.59
  4. Step 4: Simplify right side
    12,013.95x = 72,186,812.16
  5. Step 5: Solve for x
    x = 72,186,812.16/12,013.95
  6. Step 6: Final answer
    x = 6,008.58

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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.