Home / 10,533.12-15,799.68-3,607.68

Finding the Fourth Proportional to 10,533.12, 15,799.68 and 3,607.68

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Solution

The fourth proportional to 10,533.12, 15,799.68 and 3,607.68 is: 5,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.12 : 15,799.68 = 3,607.68 : x
  2. Step 2: Convert to fraction form
    10,533.12/15,799.68 = 3,607.68/x
  3. Step 3: Cross multiply
    10,533.12x = 15,799.68 × 3,607.68
  4. Step 4: Simplify right side
    10,533.12x = 57,000,189.54
  5. Step 5: Solve for x
    x = 57,000,189.54/10,533.12
  6. Step 6: Final answer
    x = 5,411.52

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Double scale
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Similar ratio
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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.