Home / 11,528.28-17,313.30-10,602.18

Finding the Fourth Proportional to 11,528.28, 17,313.30 and 10,602.18

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Solution

The fourth proportional to 11,528.28, 17,313.30 and 10,602.18 is: 15,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.28 : 17,313.30 = 10,602.18 : x
  2. Step 2: Convert to fraction form
    11,528.28/17,313.30 = 10,602.18/x
  3. Step 3: Cross multiply
    11,528.28x = 17,313.30 × 10,602.18
  4. Step 4: Simplify right side
    11,528.28x = 183,558,722.99
  5. Step 5: Solve for x
    x = 183,558,722.99/11,528.28
  6. Step 6: Final answer
    x = 15,922.47

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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.