Home / 8,464.25-11,678.14-5,475.35

Finding the Fourth Proportional to 8,464.25, 11,678.14 and 5,475.35

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Solution

The fourth proportional to 8,464.25, 11,678.14 and 5,475.35 is: 7,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.25 : 11,678.14 = 5,475.35 : x
  2. Step 2: Convert to fraction form
    8,464.25/11,678.14 = 5,475.35/x
  3. Step 3: Cross multiply
    8,464.25x = 11,678.14 × 5,475.35
  4. Step 4: Simplify right side
    8,464.25x = 63,941,939.89
  5. Step 5: Solve for x
    x = 63,941,939.89/8,464.25
  6. Step 6: Final answer
    x = 7,554.35

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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.