Home / 11,112.64-16,666.08-4,536.16

Finding the Fourth Proportional to 11,112.64, 16,666.08 and 4,536.16

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Solution

The fourth proportional to 11,112.64, 16,666.08 and 4,536.16 is: 6,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.64 : 16,666.08 = 4,536.16 : x
  2. Step 2: Convert to fraction form
    11,112.64/16,666.08 = 4,536.16/x
  3. Step 3: Cross multiply
    11,112.64x = 16,666.08 × 4,536.16
  4. Step 4: Simplify right side
    11,112.64x = 75,600,005.45
  5. Step 5: Solve for x
    x = 75,600,005.45/11,112.64
  6. Step 6: Final answer
    x = 6,803.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.