Home / 9,381.96-14,013.02-8,491.13

Finding the Fourth Proportional to 9,381.96, 14,013.02 and 8,491.13

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Solution

The fourth proportional to 9,381.96, 14,013.02 and 8,491.13 is: 12,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.96 : 14,013.02 = 8,491.13 : x
  2. Step 2: Convert to fraction form
    9,381.96/14,013.02 = 8,491.13/x
  3. Step 3: Cross multiply
    9,381.96x = 14,013.02 × 8,491.13
  4. Step 4: Simplify right side
    9,381.96x = 118,986,348.37
  5. Step 5: Solve for x
    x = 118,986,348.37/9,381.96
  6. Step 6: Final answer
    x = 12,682.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.