Home / 11,313.76-16,887.18-9,984.28

Finding the Fourth Proportional to 11,313.76, 16,887.18 and 9,984.28

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Solution

The fourth proportional to 11,313.76, 16,887.18 and 9,984.28 is: 14,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.76 : 16,887.18 = 9,984.28 : x
  2. Step 2: Convert to fraction form
    11,313.76/16,887.18 = 9,984.28/x
  3. Step 3: Cross multiply
    11,313.76x = 16,887.18 × 9,984.28
  4. Step 4: Simplify right side
    11,313.76x = 168,606,333.53
  5. Step 5: Solve for x
    x = 168,606,333.53/11,313.76
  6. Step 6: Final answer
    x = 14,902.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.