Home / 11,518.32-15,894.05-6,482.46

Finding the Fourth Proportional to 11,518.32, 15,894.05 and 6,482.46

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Solution

The fourth proportional to 11,518.32, 15,894.05 and 6,482.46 is: 8,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.32 : 15,894.05 = 6,482.46 : x
  2. Step 2: Convert to fraction form
    11,518.32/15,894.05 = 6,482.46/x
  3. Step 3: Cross multiply
    11,518.32x = 15,894.05 × 6,482.46
  4. Step 4: Simplify right side
    11,518.32x = 103,032,463.89
  5. Step 5: Solve for x
    x = 103,032,463.89/11,518.32
  6. Step 6: Final answer
    x = 8,945.09

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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.