Home / 7,354.49-10,143.79-4,666.52

Finding the Fourth Proportional to 7,354.49, 10,143.79 and 4,666.52

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Solution

The fourth proportional to 7,354.49, 10,143.79 and 4,666.52 is: 6,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.49 : 10,143.79 = 4,666.52 : x
  2. Step 2: Convert to fraction form
    7,354.49/10,143.79 = 4,666.52/x
  3. Step 3: Cross multiply
    7,354.49x = 10,143.79 × 4,666.52
  4. Step 4: Simplify right side
    7,354.49x = 47,336,212.60
  5. Step 5: Solve for x
    x = 47,336,212.60/7,354.49
  6. Step 6: Final answer
    x = 6,436.37

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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.