Home / 10,678.29-16,017.75-2,887.17

Finding the Fourth Proportional to 10,678.29, 16,017.75 and 2,887.17

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Solution

The fourth proportional to 10,678.29, 16,017.75 and 2,887.17 is: 4,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.29 : 16,017.75 = 2,887.17 : x
  2. Step 2: Convert to fraction form
    10,678.29/16,017.75 = 2,887.17/x
  3. Step 3: Cross multiply
    10,678.29x = 16,017.75 × 2,887.17
  4. Step 4: Simplify right side
    10,678.29x = 46,245,967.27
  5. Step 5: Solve for x
    x = 46,245,967.27/10,678.29
  6. Step 6: Final answer
    x = 4,330.84

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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.