Home / 9,437.79-14,111.73-8,611.59

Finding the Fourth Proportional to 9,437.79, 14,111.73 and 8,611.59

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Solution

The fourth proportional to 9,437.79, 14,111.73 and 8,611.59 is: 12,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.79 : 14,111.73 = 8,611.59 : x
  2. Step 2: Convert to fraction form
    9,437.79/14,111.73 = 8,611.59/x
  3. Step 3: Cross multiply
    9,437.79x = 14,111.73 × 8,611.59
  4. Step 4: Simplify right side
    9,437.79x = 121,524,432.95
  5. Step 5: Solve for x
    x = 121,524,432.95/9,437.79
  6. Step 6: Final answer
    x = 12,876.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.