Home / 6,859.24-9,465.72-3,715.44

Finding the Fourth Proportional to 6,859.24, 9,465.72 and 3,715.44

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Solution

The fourth proportional to 6,859.24, 9,465.72 and 3,715.44 is: 5,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.24 : 9,465.72 = 3,715.44 : x
  2. Step 2: Convert to fraction form
    6,859.24/9,465.72 = 3,715.44/x
  3. Step 3: Cross multiply
    6,859.24x = 9,465.72 × 3,715.44
  4. Step 4: Simplify right side
    6,859.24x = 35,169,267.39
  5. Step 5: Solve for x
    x = 35,169,267.39/6,859.24
  6. Step 6: Final answer
    x = 5,127.28

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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.