Home / 11,864.08-16,374.34-7,084.28

Finding the Fourth Proportional to 11,864.08, 16,374.34 and 7,084.28

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Solution

The fourth proportional to 11,864.08, 16,374.34 and 7,084.28 is: 9,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.08 : 16,374.34 = 7,084.28 : x
  2. Step 2: Convert to fraction form
    11,864.08/16,374.34 = 7,084.28/x
  3. Step 3: Cross multiply
    11,864.08x = 16,374.34 × 7,084.28
  4. Step 4: Simplify right side
    11,864.08x = 116,000,409.38
  5. Step 5: Solve for x
    x = 116,000,409.38/11,864.08
  6. Step 6: Final answer
    x = 9,777.45

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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.