Home / 7,945.77-10,966.10-4,409.21

Finding the Fourth Proportional to 7,945.77, 10,966.10 and 4,409.21

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Solution

The fourth proportional to 7,945.77, 10,966.10 and 4,409.21 is: 6,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.77 : 10,966.10 = 4,409.21 : x
  2. Step 2: Convert to fraction form
    7,945.77/10,966.10 = 4,409.21/x
  3. Step 3: Cross multiply
    7,945.77x = 10,966.10 × 4,409.21
  4. Step 4: Simplify right side
    7,945.77x = 48,351,837.78
  5. Step 5: Solve for x
    x = 48,351,837.78/7,945.77
  6. Step 6: Final answer
    x = 6,085.23

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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.