Home / 9,756.54-13,460.85-6,220.89

Finding the Fourth Proportional to 9,756.54, 13,460.85 and 6,220.89

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Solution

The fourth proportional to 9,756.54, 13,460.85 and 6,220.89 is: 8,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.54 : 13,460.85 = 6,220.89 : x
  2. Step 2: Convert to fraction form
    9,756.54/13,460.85 = 6,220.89/x
  3. Step 3: Cross multiply
    9,756.54x = 13,460.85 × 6,220.89
  4. Step 4: Simplify right side
    9,756.54x = 83,738,467.16
  5. Step 5: Solve for x
    x = 83,738,467.16/9,756.54
  6. Step 6: Final answer
    x = 8,582.80

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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.