Home / 10,325.15-15,485.55-2,927.62

Finding the Fourth Proportional to 10,325.15, 15,485.55 and 2,927.62

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Solution

The fourth proportional to 10,325.15, 15,485.55 and 2,927.62 is: 4,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.15 : 15,485.55 = 2,927.62 : x
  2. Step 2: Convert to fraction form
    10,325.15/15,485.55 = 2,927.62/x
  3. Step 3: Cross multiply
    10,325.15x = 15,485.55 × 2,927.62
  4. Step 4: Simplify right side
    10,325.15x = 45,335,795.42
  5. Step 5: Solve for x
    x = 45,335,795.42/10,325.15
  6. Step 6: Final answer
    x = 4,390.81

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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.