Home / 9,741.48-13,444.47-6,387.09

Finding the Fourth Proportional to 9,741.48, 13,444.47 and 6,387.09

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Solution

The fourth proportional to 9,741.48, 13,444.47 and 6,387.09 is: 8,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.48 : 13,444.47 = 6,387.09 : x
  2. Step 2: Convert to fraction form
    9,741.48/13,444.47 = 6,387.09/x
  3. Step 3: Cross multiply
    9,741.48x = 13,444.47 × 6,387.09
  4. Step 4: Simplify right side
    9,741.48x = 85,871,039.89
  5. Step 5: Solve for x
    x = 85,871,039.89/9,741.48
  6. Step 6: Final answer
    x = 8,814.99

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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.