Home / 7,572.94-11,331.62-6,320.43

Finding the Fourth Proportional to 7,572.94, 11,331.62 and 6,320.43

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Solution

The fourth proportional to 7,572.94, 11,331.62 and 6,320.43 is: 9,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.94 : 11,331.62 = 6,320.43 : x
  2. Step 2: Convert to fraction form
    7,572.94/11,331.62 = 6,320.43/x
  3. Step 3: Cross multiply
    7,572.94x = 11,331.62 × 6,320.43
  4. Step 4: Simplify right side
    7,572.94x = 71,620,703.10
  5. Step 5: Solve for x
    x = 71,620,703.10/7,572.94
  6. Step 6: Final answer
    x = 9,457.45

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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.