Home / 11,322.49-15,626.89-6,606.76

Finding the Fourth Proportional to 11,322.49, 15,626.89 and 6,606.76

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Solution

The fourth proportional to 11,322.49, 15,626.89 and 6,606.76 is: 9,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.49 : 15,626.89 = 6,606.76 : x
  2. Step 2: Convert to fraction form
    11,322.49/15,626.89 = 6,606.76/x
  3. Step 3: Cross multiply
    11,322.49x = 15,626.89 × 6,606.76
  4. Step 4: Simplify right side
    11,322.49x = 103,243,033.64
  5. Step 5: Solve for x
    x = 103,243,033.64/11,322.49
  6. Step 6: Final answer
    x = 9,118.41

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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.