Home / 7,353.99-10,140.26-6,887.43

Finding the Fourth Proportional to 7,353.99, 10,140.26 and 6,887.43

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Solution

The fourth proportional to 7,353.99, 10,140.26 and 6,887.43 is: 9,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.99 : 10,140.26 = 6,887.43 : x
  2. Step 2: Convert to fraction form
    7,353.99/10,140.26 = 6,887.43/x
  3. Step 3: Cross multiply
    7,353.99x = 10,140.26 × 6,887.43
  4. Step 4: Simplify right side
    7,353.99x = 69,840,280.23
  5. Step 5: Solve for x
    x = 69,840,280.23/7,353.99
  6. Step 6: Final answer
    x = 9,496.93

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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.