Home / 10,162.64-15,182.38-6,435.02

Finding the Fourth Proportional to 10,162.64, 15,182.38 and 6,435.02

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Solution

The fourth proportional to 10,162.64, 15,182.38 and 6,435.02 is: 9,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.64 : 15,182.38 = 6,435.02 : x
  2. Step 2: Convert to fraction form
    10,162.64/15,182.38 = 6,435.02/x
  3. Step 3: Cross multiply
    10,162.64x = 15,182.38 × 6,435.02
  4. Step 4: Simplify right side
    10,162.64x = 97,698,918.95
  5. Step 5: Solve for x
    x = 97,698,918.95/10,162.64
  6. Step 6: Final answer
    x = 9,613.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.