Home / 10,355.70-15,533.55-2,960.60

Finding the Fourth Proportional to 10,355.70, 15,533.55 and 2,960.60

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Solution

The fourth proportional to 10,355.70, 15,533.55 and 2,960.60 is: 4,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.70 : 15,533.55 = 2,960.60 : x
  2. Step 2: Convert to fraction form
    10,355.70/15,533.55 = 2,960.60/x
  3. Step 3: Cross multiply
    10,355.70x = 15,533.55 × 2,960.60
  4. Step 4: Simplify right side
    10,355.70x = 45,988,628.13
  5. Step 5: Solve for x
    x = 45,988,628.13/10,355.70
  6. Step 6: Final answer
    x = 4,440.90

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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.