Home / 7,763.55-10,703.85-5,243.94

Finding the Fourth Proportional to 7,763.55, 10,703.85 and 5,243.94

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Solution

The fourth proportional to 7,763.55, 10,703.85 and 5,243.94 is: 7,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.55 : 10,703.85 = 5,243.94 : x
  2. Step 2: Convert to fraction form
    7,763.55/10,703.85 = 5,243.94/x
  3. Step 3: Cross multiply
    7,763.55x = 10,703.85 × 5,243.94
  4. Step 4: Simplify right side
    7,763.55x = 56,130,327.50
  5. Step 5: Solve for x
    x = 56,130,327.50/7,763.55
  6. Step 6: Final answer
    x = 7,229.99

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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.