Home / 9,607.28-13,258.08-5,415.60

Finding the Fourth Proportional to 9,607.28, 13,258.08 and 5,415.60

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Solution

The fourth proportional to 9,607.28, 13,258.08 and 5,415.60 is: 7,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.28 : 13,258.08 = 5,415.60 : x
  2. Step 2: Convert to fraction form
    9,607.28/13,258.08 = 5,415.60/x
  3. Step 3: Cross multiply
    9,607.28x = 13,258.08 × 5,415.60
  4. Step 4: Simplify right side
    9,607.28x = 71,800,458.05
  5. Step 5: Solve for x
    x = 71,800,458.05/9,607.28
  6. Step 6: Final answer
    x = 7,473.55

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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.