Home / 11,287.84-15,577.32-6,572.56

Finding the Fourth Proportional to 11,287.84, 15,577.32 and 6,572.56

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Solution

The fourth proportional to 11,287.84, 15,577.32 and 6,572.56 is: 9,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.84 : 15,577.32 = 6,572.56 : x
  2. Step 2: Convert to fraction form
    11,287.84/15,577.32 = 6,572.56/x
  3. Step 3: Cross multiply
    11,287.84x = 15,577.32 × 6,572.56
  4. Step 4: Simplify right side
    11,287.84x = 102,382,870.34
  5. Step 5: Solve for x
    x = 102,382,870.34/11,287.84
  6. Step 6: Final answer
    x = 9,070.19

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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.