Home / 12,656.04-18,984.72-5,634.36

Finding the Fourth Proportional to 12,656.04, 18,984.72 and 5,634.36

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Solution

The fourth proportional to 12,656.04, 18,984.72 and 5,634.36 is: 8,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.04 : 18,984.72 = 5,634.36 : x
  2. Step 2: Convert to fraction form
    12,656.04/18,984.72 = 5,634.36/x
  3. Step 3: Cross multiply
    12,656.04x = 18,984.72 × 5,634.36
  4. Step 4: Simplify right side
    12,656.04x = 106,966,746.98
  5. Step 5: Solve for x
    x = 106,966,746.98/12,656.04
  6. Step 6: Final answer
    x = 8,451.83

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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.