Home / 8,970.94-12,378.03-5,433.49

Finding the Fourth Proportional to 8,970.94, 12,378.03 and 5,433.49

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Solution

The fourth proportional to 8,970.94, 12,378.03 and 5,433.49 is: 7,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.94 : 12,378.03 = 5,433.49 : x
  2. Step 2: Convert to fraction form
    8,970.94/12,378.03 = 5,433.49/x
  3. Step 3: Cross multiply
    8,970.94x = 12,378.03 × 5,433.49
  4. Step 4: Simplify right side
    8,970.94x = 67,255,840.33
  5. Step 5: Solve for x
    x = 67,255,840.33/8,970.94
  6. Step 6: Final answer
    x = 7,497.08

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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.