Home / 7,756.16-11,632.20-5,290.52

Finding the Fourth Proportional to 7,756.16, 11,632.20 and 5,290.52

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Solution

The fourth proportional to 7,756.16, 11,632.20 and 5,290.52 is: 7,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.16 : 11,632.20 = 5,290.52 : x
  2. Step 2: Convert to fraction form
    7,756.16/11,632.20 = 5,290.52/x
  3. Step 3: Cross multiply
    7,756.16x = 11,632.20 × 5,290.52
  4. Step 4: Simplify right side
    7,756.16x = 61,540,386.74
  5. Step 5: Solve for x
    x = 61,540,386.74/7,756.16
  6. Step 6: Final answer
    x = 7,934.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.