Home / 9,981.77-14,974.00-7,905.62

Finding the Fourth Proportional to 9,981.77, 14,974.00 and 7,905.62

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Solution

The fourth proportional to 9,981.77, 14,974.00 and 7,905.62 is: 11,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.77 : 14,974.00 = 7,905.62 : x
  2. Step 2: Convert to fraction form
    9,981.77/14,974.00 = 7,905.62/x
  3. Step 3: Cross multiply
    9,981.77x = 14,974.00 × 7,905.62
  4. Step 4: Simplify right side
    9,981.77x = 118,378,771.55
  5. Step 5: Solve for x
    x = 118,378,771.55/9,981.77
  6. Step 6: Final answer
    x = 11,859.50

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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.