Home / 43,990.08-65,984.47-10,710.21

Finding the Fourth Proportional to 43,990.08, 65,984.47 and 10,710.21

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Solution

The fourth proportional to 43,990.08, 65,984.47 and 10,710.21 is: 16,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.08 : 65,984.47 = 10,710.21 : x
  2. Step 2: Convert to fraction form
    43,990.08/65,984.47 = 10,710.21/x
  3. Step 3: Cross multiply
    43,990.08x = 65,984.47 × 10,710.21
  4. Step 4: Simplify right side
    43,990.08x = 706,707,530.44
  5. Step 5: Solve for x
    x = 706,707,530.44/43,990.08
  6. Step 6: Final answer
    x = 16,065.16

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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.