Home / 7,477.76-10,315.94-4,332.26

Finding the Fourth Proportional to 7,477.76, 10,315.94 and 4,332.26

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Solution

The fourth proportional to 7,477.76, 10,315.94 and 4,332.26 is: 5,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.76 : 10,315.94 = 4,332.26 : x
  2. Step 2: Convert to fraction form
    7,477.76/10,315.94 = 4,332.26/x
  3. Step 3: Cross multiply
    7,477.76x = 10,315.94 × 4,332.26
  4. Step 4: Simplify right side
    7,477.76x = 44,691,334.22
  5. Step 5: Solve for x
    x = 44,691,334.22/7,477.76
  6. Step 6: Final answer
    x = 5,976.57

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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.