Home / 7,133.38-9,840.74-4,616.30

Finding the Fourth Proportional to 7,133.38, 9,840.74 and 4,616.30

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Solution

The fourth proportional to 7,133.38, 9,840.74 and 4,616.30 is: 6,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.38 : 9,840.74 = 4,616.30 : x
  2. Step 2: Convert to fraction form
    7,133.38/9,840.74 = 4,616.30/x
  3. Step 3: Cross multiply
    7,133.38x = 9,840.74 × 4,616.30
  4. Step 4: Simplify right side
    7,133.38x = 45,427,758.86
  5. Step 5: Solve for x
    x = 45,427,758.86/7,133.38
  6. Step 6: Final answer
    x = 6,368.34

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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.