Home / 9,607.56-13,258.44-5,415.81

Finding the Fourth Proportional to 9,607.56, 13,258.44 and 5,415.81

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Solution

The fourth proportional to 9,607.56, 13,258.44 and 5,415.81 is: 7,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.56 : 13,258.44 = 5,415.81 : x
  2. Step 2: Convert to fraction form
    9,607.56/13,258.44 = 5,415.81/x
  3. Step 3: Cross multiply
    9,607.56x = 13,258.44 × 5,415.81
  4. Step 4: Simplify right side
    9,607.56x = 71,805,191.94
  5. Step 5: Solve for x
    x = 71,805,191.94/9,607.56
  6. Step 6: Final answer
    x = 7,473.82

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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.