Home / 8,045.28-11,085.84-6,467.04

Finding the Fourth Proportional to 8,045.28, 11,085.84 and 6,467.04

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Solution

The fourth proportional to 8,045.28, 11,085.84 and 6,467.04 is: 8,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.28 : 11,085.84 = 6,467.04 : x
  2. Step 2: Convert to fraction form
    8,045.28/11,085.84 = 6,467.04/x
  3. Step 3: Cross multiply
    8,045.28x = 11,085.84 × 6,467.04
  4. Step 4: Simplify right side
    8,045.28x = 71,692,570.71
  5. Step 5: Solve for x
    x = 71,692,570.71/8,045.28
  6. Step 6: Final answer
    x = 8,911.13

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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.