Home / 9,293.34-12,823.95-5,515.85

Finding the Fourth Proportional to 9,293.34, 12,823.95 and 5,515.85

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Solution

The fourth proportional to 9,293.34, 12,823.95 and 5,515.85 is: 7,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.34 : 12,823.95 = 5,515.85 : x
  2. Step 2: Convert to fraction form
    9,293.34/12,823.95 = 5,515.85/x
  3. Step 3: Cross multiply
    9,293.34x = 12,823.95 × 5,515.85
  4. Step 4: Simplify right side
    9,293.34x = 70,734,984.61
  5. Step 5: Solve for x
    x = 70,734,984.61/9,293.34
  6. Step 6: Final answer
    x = 7,611.37

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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.