Home / 7,650.71-10,555.27-4,999.65

Finding the Fourth Proportional to 7,650.71, 10,555.27 and 4,999.65

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Solution

The fourth proportional to 7,650.71, 10,555.27 and 4,999.65 is: 6,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.71 : 10,555.27 = 4,999.65 : x
  2. Step 2: Convert to fraction form
    7,650.71/10,555.27 = 4,999.65/x
  3. Step 3: Cross multiply
    7,650.71x = 10,555.27 × 4,999.65
  4. Step 4: Simplify right side
    7,650.71x = 52,772,656.35
  5. Step 5: Solve for x
    x = 52,772,656.35/7,650.71
  6. Step 6: Final answer
    x = 6,897.75

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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.