Home / 13,074.97-18,043.02-7,106.50

Finding the Fourth Proportional to 13,074.97, 18,043.02 and 7,106.50

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Solution

The fourth proportional to 13,074.97, 18,043.02 and 7,106.50 is: 9,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.97 : 18,043.02 = 7,106.50 : x
  2. Step 2: Convert to fraction form
    13,074.97/18,043.02 = 7,106.50/x
  3. Step 3: Cross multiply
    13,074.97x = 18,043.02 × 7,106.50
  4. Step 4: Simplify right side
    13,074.97x = 128,222,721.63
  5. Step 5: Solve for x
    x = 128,222,721.63/13,074.97
  6. Step 6: Final answer
    x = 9,806.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.