Home / 6,918.14-9,547.32-3,934.50

Finding the Fourth Proportional to 6,918.14, 9,547.32 and 3,934.50

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Solution

The fourth proportional to 6,918.14, 9,547.32 and 3,934.50 is: 5,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.14 : 9,547.32 = 3,934.50 : x
  2. Step 2: Convert to fraction form
    6,918.14/9,547.32 = 3,934.50/x
  3. Step 3: Cross multiply
    6,918.14x = 9,547.32 × 3,934.50
  4. Step 4: Simplify right side
    6,918.14x = 37,563,930.54
  5. Step 5: Solve for x
    x = 37,563,930.54/6,918.14
  6. Step 6: Final answer
    x = 5,429.77

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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.