Home / 11,533.28-17,320.80-10,607.18

Finding the Fourth Proportional to 11,533.28, 17,320.80 and 10,607.18

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Solution

The fourth proportional to 11,533.28, 17,320.80 and 10,607.18 is: 15,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.28 : 17,320.80 = 10,607.18 : x
  2. Step 2: Convert to fraction form
    11,533.28/17,320.80 = 10,607.18/x
  3. Step 3: Cross multiply
    11,533.28x = 17,320.80 × 10,607.18
  4. Step 4: Simplify right side
    11,533.28x = 183,724,843.34
  5. Step 5: Solve for x
    x = 183,724,843.34/11,533.28
  6. Step 6: Final answer
    x = 15,929.97

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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.