Home / 8,464.50-11,681.82-5,320.08

Finding the Fourth Proportional to 8,464.50, 11,681.82 and 5,320.08

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Solution

The fourth proportional to 8,464.50, 11,681.82 and 5,320.08 is: 7,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.50 : 11,681.82 = 5,320.08 : x
  2. Step 2: Convert to fraction form
    8,464.50/11,681.82 = 5,320.08/x
  3. Step 3: Cross multiply
    8,464.50x = 11,681.82 × 5,320.08
  4. Step 4: Simplify right side
    8,464.50x = 62,148,216.95
  5. Step 5: Solve for x
    x = 62,148,216.95/8,464.50
  6. Step 6: Final answer
    x = 7,342.22

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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.