Home / 10,809.51-16,184.95-5,604.45

Finding the Fourth Proportional to 10,809.51, 16,184.95 and 5,604.45

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Solution

The fourth proportional to 10,809.51, 16,184.95 and 5,604.45 is: 8,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.51 : 16,184.95 = 5,604.45 : x
  2. Step 2: Convert to fraction form
    10,809.51/16,184.95 = 5,604.45/x
  3. Step 3: Cross multiply
    10,809.51x = 16,184.95 × 5,604.45
  4. Step 4: Simplify right side
    10,809.51x = 90,707,668.32
  5. Step 5: Solve for x
    x = 90,707,668.32/10,809.51
  6. Step 6: Final answer
    x = 8,391.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.