Home / 10,188.59-14,057.75-6,209.46

Finding the Fourth Proportional to 10,188.59, 14,057.75 and 6,209.46

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Solution

The fourth proportional to 10,188.59, 14,057.75 and 6,209.46 is: 8,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.59 : 14,057.75 = 6,209.46 : x
  2. Step 2: Convert to fraction form
    10,188.59/14,057.75 = 6,209.46/x
  3. Step 3: Cross multiply
    10,188.59x = 14,057.75 × 6,209.46
  4. Step 4: Simplify right side
    10,188.59x = 87,291,051.84
  5. Step 5: Solve for x
    x = 87,291,051.84/10,188.59
  6. Step 6: Final answer
    x = 8,567.53

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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.