Home / 8,589.67-11,854.70-4,813.45

Finding the Fourth Proportional to 8,589.67, 11,854.70 and 4,813.45

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Solution

The fourth proportional to 8,589.67, 11,854.70 and 4,813.45 is: 6,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.67 : 11,854.70 = 4,813.45 : x
  2. Step 2: Convert to fraction form
    8,589.67/11,854.70 = 4,813.45/x
  3. Step 3: Cross multiply
    8,589.67x = 11,854.70 × 4,813.45
  4. Step 4: Simplify right side
    8,589.67x = 57,062,005.72
  5. Step 5: Solve for x
    x = 57,062,005.72/8,589.67
  6. Step 6: Final answer
    x = 6,643.10

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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.