Home / 10,646.59-15,971.80-4,403.21

Finding the Fourth Proportional to 10,646.59, 15,971.80 and 4,403.21

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Solution

The fourth proportional to 10,646.59, 15,971.80 and 4,403.21 is: 6,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.59 : 15,971.80 = 4,403.21 : x
  2. Step 2: Convert to fraction form
    10,646.59/15,971.80 = 4,403.21/x
  3. Step 3: Cross multiply
    10,646.59x = 15,971.80 × 4,403.21
  4. Step 4: Simplify right side
    10,646.59x = 70,327,189.48
  5. Step 5: Solve for x
    x = 70,327,189.48/10,646.59
  6. Step 6: Final answer
    x = 6,605.61

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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.