Home / 10,934.80-16,364.40-6,555.40

Finding the Fourth Proportional to 10,934.80, 16,364.40 and 6,555.40

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Solution

The fourth proportional to 10,934.80, 16,364.40 and 6,555.40 is: 9,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.80 : 16,364.40 = 6,555.40 : x
  2. Step 2: Convert to fraction form
    10,934.80/16,364.40 = 6,555.40/x
  3. Step 3: Cross multiply
    10,934.80x = 16,364.40 × 6,555.40
  4. Step 4: Simplify right side
    10,934.80x = 107,275,187.76
  5. Step 5: Solve for x
    x = 107,275,187.76/10,934.80
  6. Step 6: Final answer
    x = 9,810.44

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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.