Home / 7,932.50-10,946.85-4,789.46

Finding the Fourth Proportional to 7,932.50, 10,946.85 and 4,789.46

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Solution

The fourth proportional to 7,932.50, 10,946.85 and 4,789.46 is: 6,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.50 : 10,946.85 = 4,789.46 : x
  2. Step 2: Convert to fraction form
    7,932.50/10,946.85 = 4,789.46/x
  3. Step 3: Cross multiply
    7,932.50x = 10,946.85 × 4,789.46
  4. Step 4: Simplify right side
    7,932.50x = 52,429,500.20
  5. Step 5: Solve for x
    x = 52,429,500.20/7,932.50
  6. Step 6: Final answer
    x = 6,609.45

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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.