Home / 7,629.86-10,529.37-5,395.74

Finding the Fourth Proportional to 7,629.86, 10,529.37 and 5,395.74

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Solution

The fourth proportional to 7,629.86, 10,529.37 and 5,395.74 is: 7,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.86 : 10,529.37 = 5,395.74 : x
  2. Step 2: Convert to fraction form
    7,629.86/10,529.37 = 5,395.74/x
  3. Step 3: Cross multiply
    7,629.86x = 10,529.37 × 5,395.74
  4. Step 4: Simplify right side
    7,629.86x = 56,813,742.88
  5. Step 5: Solve for x
    x = 56,813,742.88/7,629.86
  6. Step 6: Final answer
    x = 7,446.24

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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.