Home / 7,558.38-10,431.63-4,728.60

Finding the Fourth Proportional to 7,558.38, 10,431.63 and 4,728.60

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Solution

The fourth proportional to 7,558.38, 10,431.63 and 4,728.60 is: 6,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.38 : 10,431.63 = 4,728.60 : x
  2. Step 2: Convert to fraction form
    7,558.38/10,431.63 = 4,728.60/x
  3. Step 3: Cross multiply
    7,558.38x = 10,431.63 × 4,728.60
  4. Step 4: Simplify right side
    7,558.38x = 49,327,005.62
  5. Step 5: Solve for x
    x = 49,327,005.62/7,558.38
  6. Step 6: Final answer
    x = 6,526.13

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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.