Home / 11,210.20-15,468.47-6,174.40

Finding the Fourth Proportional to 11,210.20, 15,468.47 and 6,174.40

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Solution

The fourth proportional to 11,210.20, 15,468.47 and 6,174.40 is: 8,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.20 : 15,468.47 = 6,174.40 : x
  2. Step 2: Convert to fraction form
    11,210.20/15,468.47 = 6,174.40/x
  3. Step 3: Cross multiply
    11,210.20x = 15,468.47 × 6,174.40
  4. Step 4: Simplify right side
    11,210.20x = 95,508,547.29
  5. Step 5: Solve for x
    x = 95,508,547.29/11,210.20
  6. Step 6: Final answer
    x = 8,519.79

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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.