Home / 7,485.10-10,330.50-4,832.02

Finding the Fourth Proportional to 7,485.10, 10,330.50 and 4,832.02

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Solution

The fourth proportional to 7,485.10, 10,330.50 and 4,832.02 is: 6,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.10 : 10,330.50 = 4,832.02 : x
  2. Step 2: Convert to fraction form
    7,485.10/10,330.50 = 4,832.02/x
  3. Step 3: Cross multiply
    7,485.10x = 10,330.50 × 4,832.02
  4. Step 4: Simplify right side
    7,485.10x = 49,917,182.61
  5. Step 5: Solve for x
    x = 49,917,182.61/7,485.10
  6. Step 6: Final answer
    x = 6,668.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.