Home / 7,455.38-11,165.07-3,547.22

Finding the Fourth Proportional to 7,455.38, 11,165.07 and 3,547.22

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Solution

The fourth proportional to 7,455.38, 11,165.07 and 3,547.22 is: 5,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.38 : 11,165.07 = 3,547.22 : x
  2. Step 2: Convert to fraction form
    7,455.38/11,165.07 = 3,547.22/x
  3. Step 3: Cross multiply
    7,455.38x = 11,165.07 × 3,547.22
  4. Step 4: Simplify right side
    7,455.38x = 39,604,959.61
  5. Step 5: Solve for x
    x = 39,604,959.61/7,455.38
  6. Step 6: Final answer
    x = 5,312.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.