Home / 10,305.81-15,455.25-3,730.62

Finding the Fourth Proportional to 10,305.81, 15,455.25 and 3,730.62

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Solution

The fourth proportional to 10,305.81, 15,455.25 and 3,730.62 is: 5,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.81 : 15,455.25 = 3,730.62 : x
  2. Step 2: Convert to fraction form
    10,305.81/15,455.25 = 3,730.62/x
  3. Step 3: Cross multiply
    10,305.81x = 15,455.25 × 3,730.62
  4. Step 4: Simplify right side
    10,305.81x = 57,657,664.76
  5. Step 5: Solve for x
    x = 57,657,664.76/10,305.81
  6. Step 6: Final answer
    x = 5,594.68

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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.