Home / 8,328.87-11,492.14-4,970.61

Finding the Fourth Proportional to 8,328.87, 11,492.14 and 4,970.61

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Solution

The fourth proportional to 8,328.87, 11,492.14 and 4,970.61 is: 6,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.87 : 11,492.14 = 4,970.61 : x
  2. Step 2: Convert to fraction form
    8,328.87/11,492.14 = 4,970.61/x
  3. Step 3: Cross multiply
    8,328.87x = 11,492.14 × 4,970.61
  4. Step 4: Simplify right side
    8,328.87x = 57,122,946.01
  5. Step 5: Solve for x
    x = 57,122,946.01/8,328.87
  6. Step 6: Final answer
    x = 6,858.43

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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.