Home / 7,625.72-11,430.36-4,984.91

Finding the Fourth Proportional to 7,625.72, 11,430.36 and 4,984.91

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Solution

The fourth proportional to 7,625.72, 11,430.36 and 4,984.91 is: 7,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.72 : 11,430.36 = 4,984.91 : x
  2. Step 2: Convert to fraction form
    7,625.72/11,430.36 = 4,984.91/x
  3. Step 3: Cross multiply
    7,625.72x = 11,430.36 × 4,984.91
  4. Step 4: Simplify right side
    7,625.72x = 56,979,258.72
  5. Step 5: Solve for x
    x = 56,979,258.72/7,625.72
  6. Step 6: Final answer
    x = 7,471.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.