Home / 8,437.34-11,643.29-4,660.43

Finding the Fourth Proportional to 8,437.34, 11,643.29 and 4,660.43

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Solution

The fourth proportional to 8,437.34, 11,643.29 and 4,660.43 is: 6,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.34 : 11,643.29 = 4,660.43 : x
  2. Step 2: Convert to fraction form
    8,437.34/11,643.29 = 4,660.43/x
  3. Step 3: Cross multiply
    8,437.34x = 11,643.29 × 4,660.43
  4. Step 4: Simplify right side
    8,437.34x = 54,262,656.50
  5. Step 5: Solve for x
    x = 54,262,656.50/8,437.34
  6. Step 6: Final answer
    x = 6,431.26

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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.