Home / 7,960.34-10,985.19-4,423.48

Finding the Fourth Proportional to 7,960.34, 10,985.19 and 4,423.48

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Solution

The fourth proportional to 7,960.34, 10,985.19 and 4,423.48 is: 6,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.34 : 10,985.19 = 4,423.48 : x
  2. Step 2: Convert to fraction form
    7,960.34/10,985.19 = 4,423.48/x
  3. Step 3: Cross multiply
    7,960.34x = 10,985.19 × 4,423.48
  4. Step 4: Simplify right side
    7,960.34x = 48,592,768.26
  5. Step 5: Solve for x
    x = 48,592,768.26/7,960.34
  6. Step 6: Final answer
    x = 6,104.36

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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.