Home / 7,442.10-11,165.73-4,953.28

Finding the Fourth Proportional to 7,442.10, 11,165.73 and 4,953.28

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Solution

The fourth proportional to 7,442.10, 11,165.73 and 4,953.28 is: 7,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.10 : 11,165.73 = 4,953.28 : x
  2. Step 2: Convert to fraction form
    7,442.10/11,165.73 = 4,953.28/x
  3. Step 3: Cross multiply
    7,442.10x = 11,165.73 × 4,953.28
  4. Step 4: Simplify right side
    7,442.10x = 55,306,987.09
  5. Step 5: Solve for x
    x = 55,306,987.09/7,442.10
  6. Step 6: Final answer
    x = 7,431.63

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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.