Home / 10,703.90-16,055.95-4,781.08

Finding the Fourth Proportional to 10,703.90, 16,055.95 and 4,781.08

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Solution

The fourth proportional to 10,703.90, 16,055.95 and 4,781.08 is: 7,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.90 : 16,055.95 = 4,781.08 : x
  2. Step 2: Convert to fraction form
    10,703.90/16,055.95 = 4,781.08/x
  3. Step 3: Cross multiply
    10,703.90x = 16,055.95 × 4,781.08
  4. Step 4: Simplify right side
    10,703.90x = 76,764,694.75
  5. Step 5: Solve for x
    x = 76,764,694.75/10,703.90
  6. Step 6: Final answer
    x = 7,171.66

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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.