Home / 11,518.38-15,894.54-6,482.34

Finding the Fourth Proportional to 11,518.38, 15,894.54 and 6,482.34

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Solution

The fourth proportional to 11,518.38, 15,894.54 and 6,482.34 is: 8,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.38 : 15,894.54 = 6,482.34 : x
  2. Step 2: Convert to fraction form
    11,518.38/15,894.54 = 6,482.34/x
  3. Step 3: Cross multiply
    11,518.38x = 15,894.54 × 6,482.34
  4. Step 4: Simplify right side
    11,518.38x = 103,033,812.42
  5. Step 5: Solve for x
    x = 103,033,812.42/11,518.38
  6. Step 6: Final answer
    x = 8,945.17

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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.