Home / 13,043.04-17,998.88-7,734.64

Finding the Fourth Proportional to 13,043.04, 17,998.88 and 7,734.64

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Solution

The fourth proportional to 13,043.04, 17,998.88 and 7,734.64 is: 10,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.04 : 17,998.88 = 7,734.64 : x
  2. Step 2: Convert to fraction form
    13,043.04/17,998.88 = 7,734.64/x
  3. Step 3: Cross multiply
    13,043.04x = 17,998.88 × 7,734.64
  4. Step 4: Simplify right side
    13,043.04x = 139,214,857.20
  5. Step 5: Solve for x
    x = 139,214,857.20/13,043.04
  6. Step 6: Final answer
    x = 10,673.50

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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.