Home / 11,428.16-17,094.84-10,728.32

Finding the Fourth Proportional to 11,428.16, 17,094.84 and 10,728.32

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Solution

The fourth proportional to 11,428.16, 17,094.84 and 10,728.32 is: 16,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.16 : 17,094.84 = 10,728.32 : x
  2. Step 2: Convert to fraction form
    11,428.16/17,094.84 = 10,728.32/x
  3. Step 3: Cross multiply
    11,428.16x = 17,094.84 × 10,728.32
  4. Step 4: Simplify right side
    11,428.16x = 183,398,913.87
  5. Step 5: Solve for x
    x = 183,398,913.87/11,428.16
  6. Step 6: Final answer
    x = 16,047.98

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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.