Home / 11,042.04-15,236.63-7,464.78

Finding the Fourth Proportional to 11,042.04, 15,236.63 and 7,464.78

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Solution

The fourth proportional to 11,042.04, 15,236.63 and 7,464.78 is: 10,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.04 : 15,236.63 = 7,464.78 : x
  2. Step 2: Convert to fraction form
    11,042.04/15,236.63 = 7,464.78/x
  3. Step 3: Cross multiply
    11,042.04x = 15,236.63 × 7,464.78
  4. Step 4: Simplify right side
    11,042.04x = 113,738,166.40
  5. Step 5: Solve for x
    x = 113,738,166.40/11,042.04
  6. Step 6: Final answer
    x = 10,300.46

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1.5x scale

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.