Home / 10,533.39-15,795.69-4,289.15

Finding the Fourth Proportional to 10,533.39, 15,795.69 and 4,289.15

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Solution

The fourth proportional to 10,533.39, 15,795.69 and 4,289.15 is: 6,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.39 : 15,795.69 = 4,289.15 : x
  2. Step 2: Convert to fraction form
    10,533.39/15,795.69 = 4,289.15/x
  3. Step 3: Cross multiply
    10,533.39x = 15,795.69 × 4,289.15
  4. Step 4: Simplify right side
    10,533.39x = 67,750,131.29
  5. Step 5: Solve for x
    x = 67,750,131.29/10,533.39
  6. Step 6: Final answer
    x = 6,431.94

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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.