Home / 11,300.91-15,593.58-6,455.28

Finding the Fourth Proportional to 11,300.91, 15,593.58 and 6,455.28

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Solution

The fourth proportional to 11,300.91, 15,593.58 and 6,455.28 is: 8,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.91 : 15,593.58 = 6,455.28 : x
  2. Step 2: Convert to fraction form
    11,300.91/15,593.58 = 6,455.28/x
  3. Step 3: Cross multiply
    11,300.91x = 15,593.58 × 6,455.28
  4. Step 4: Simplify right side
    11,300.91x = 100,660,925.10
  5. Step 5: Solve for x
    x = 100,660,925.10/11,300.91
  6. Step 6: Final answer
    x = 8,907.33

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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.