Home / 7,651.20-10,555.52-4,666.56

Finding the Fourth Proportional to 7,651.20, 10,555.52 and 4,666.56

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Solution

The fourth proportional to 7,651.20, 10,555.52 and 4,666.56 is: 6,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.20 : 10,555.52 = 4,666.56 : x
  2. Step 2: Convert to fraction form
    7,651.20/10,555.52 = 4,666.56/x
  3. Step 3: Cross multiply
    7,651.20x = 10,555.52 × 4,666.56
  4. Step 4: Simplify right side
    7,651.20x = 49,257,967.41
  5. Step 5: Solve for x
    x = 49,257,967.41/7,651.20
  6. Step 6: Final answer
    x = 6,437.94

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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.