Home / 9,743.76-13,445.64-5,552.40

Finding the Fourth Proportional to 9,743.76, 13,445.64 and 5,552.40

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Solution

The fourth proportional to 9,743.76, 13,445.64 and 5,552.40 is: 7,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743.76 : 13,445.64 = 5,552.40 : x
  2. Step 2: Convert to fraction form
    9,743.76/13,445.64 = 5,552.40/x
  3. Step 3: Cross multiply
    9,743.76x = 13,445.64 × 5,552.40
  4. Step 4: Simplify right side
    9,743.76x = 74,655,571.54
  5. Step 5: Solve for x
    x = 74,655,571.54/9,743.76
  6. Step 6: Final answer
    x = 7,661.89

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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.