Home / 9,629.51-13,288.97-5,437.76

Finding the Fourth Proportional to 9,629.51, 13,288.97 and 5,437.76

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Solution

The fourth proportional to 9,629.51, 13,288.97 and 5,437.76 is: 7,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.51 : 13,288.97 = 5,437.76 : x
  2. Step 2: Convert to fraction form
    9,629.51/13,288.97 = 5,437.76/x
  3. Step 3: Cross multiply
    9,629.51x = 13,288.97 × 5,437.76
  4. Step 4: Simplify right side
    9,629.51x = 72,262,176.66
  5. Step 5: Solve for x
    x = 72,262,176.66/9,629.51
  6. Step 6: Final answer
    x = 7,504.25

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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.