Home / 12,523.80-18,774.36-4,730.52

Finding the Fourth Proportional to 12,523.80, 18,774.36 and 4,730.52

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Solution

The fourth proportional to 12,523.80, 18,774.36 and 4,730.52 is: 7,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.80 : 18,774.36 = 4,730.52 : x
  2. Step 2: Convert to fraction form
    12,523.80/18,774.36 = 4,730.52/x
  3. Step 3: Cross multiply
    12,523.80x = 18,774.36 × 4,730.52
  4. Step 4: Simplify right side
    12,523.80x = 88,812,485.47
  5. Step 5: Solve for x
    x = 88,812,485.47/12,523.80
  6. Step 6: Final answer
    x = 7,091.50

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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.