Home / 11,369.87-15,690.44-6,590.73

Finding the Fourth Proportional to 11,369.87, 15,690.44 and 6,590.73

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Solution

The fourth proportional to 11,369.87, 15,690.44 and 6,590.73 is: 9,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.87 : 15,690.44 = 6,590.73 : x
  2. Step 2: Convert to fraction form
    11,369.87/15,690.44 = 6,590.73/x
  3. Step 3: Cross multiply
    11,369.87x = 15,690.44 × 6,590.73
  4. Step 4: Simplify right side
    11,369.87x = 103,411,420.67
  5. Step 5: Solve for x
    x = 103,411,420.67/11,369.87
  6. Step 6: Final answer
    x = 9,095.22

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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.