Home / 11,002.60-16,509.80-7,306.57

Finding the Fourth Proportional to 11,002.60, 16,509.80 and 7,306.57

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Solution

The fourth proportional to 11,002.60, 16,509.80 and 7,306.57 is: 10,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.60 : 16,509.80 = 7,306.57 : x
  2. Step 2: Convert to fraction form
    11,002.60/16,509.80 = 7,306.57/x
  3. Step 3: Cross multiply
    11,002.60x = 16,509.80 × 7,306.57
  4. Step 4: Simplify right side
    11,002.60x = 120,630,009.39
  5. Step 5: Solve for x
    x = 120,630,009.39/11,002.60
  6. Step 6: Final answer
    x = 10,963.77

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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.