Home / 11,518.49-15,895.44-6,482.75

Finding the Fourth Proportional to 11,518.49, 15,895.44 and 6,482.75

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Solution

The fourth proportional to 11,518.49, 15,895.44 and 6,482.75 is: 8,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.49 : 15,895.44 = 6,482.75 : x
  2. Step 2: Convert to fraction form
    11,518.49/15,895.44 = 6,482.75/x
  3. Step 3: Cross multiply
    11,518.49x = 15,895.44 × 6,482.75
  4. Step 4: Simplify right side
    11,518.49x = 103,046,084.18
  5. Step 5: Solve for x
    x = 103,046,084.18/11,518.49
  6. Step 6: Final answer
    x = 8,946.14

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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.