Home / 6,878.42-9,488.58-4,356.08

Finding the Fourth Proportional to 6,878.42, 9,488.58 and 4,356.08

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Solution

The fourth proportional to 6,878.42, 9,488.58 and 4,356.08 is: 6,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.42 : 9,488.58 = 4,356.08 : x
  2. Step 2: Convert to fraction form
    6,878.42/9,488.58 = 4,356.08/x
  3. Step 3: Cross multiply
    6,878.42x = 9,488.58 × 4,356.08
  4. Step 4: Simplify right side
    6,878.42x = 41,332,966.12
  5. Step 5: Solve for x
    x = 41,332,966.12/6,878.42
  6. Step 6: Final answer
    x = 6,009.08

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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.