Home / 7,970.84-10,999.68-4,433.99

Finding the Fourth Proportional to 7,970.84, 10,999.68 and 4,433.99

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Solution

The fourth proportional to 7,970.84, 10,999.68 and 4,433.99 is: 6,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.84 : 10,999.68 = 4,433.99 : x
  2. Step 2: Convert to fraction form
    7,970.84/10,999.68 = 4,433.99/x
  3. Step 3: Cross multiply
    7,970.84x = 10,999.68 × 4,433.99
  4. Step 4: Simplify right side
    7,970.84x = 48,772,471.12
  5. Step 5: Solve for x
    x = 48,772,471.12/7,970.84
  6. Step 6: Final answer
    x = 6,118.86

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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.