Home / 10,877.03-16,306.12-6,485.26

Finding the Fourth Proportional to 10,877.03, 16,306.12 and 6,485.26

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Solution

The fourth proportional to 10,877.03, 16,306.12 and 6,485.26 is: 9,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.03 : 16,306.12 = 6,485.26 : x
  2. Step 2: Convert to fraction form
    10,877.03/16,306.12 = 6,485.26/x
  3. Step 3: Cross multiply
    10,877.03x = 16,306.12 × 6,485.26
  4. Step 4: Simplify right side
    10,877.03x = 105,749,370.81
  5. Step 5: Solve for x
    x = 105,749,370.81/10,877.03
  6. Step 6: Final answer
    x = 9,722.27

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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.