Home / 8,820.24-12,176.40-6,927.60

Finding the Fourth Proportional to 8,820.24, 12,176.40 and 6,927.60

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Solution

The fourth proportional to 8,820.24, 12,176.40 and 6,927.60 is: 9,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.24 : 12,176.40 = 6,927.60 : x
  2. Step 2: Convert to fraction form
    8,820.24/12,176.40 = 6,927.60/x
  3. Step 3: Cross multiply
    8,820.24x = 12,176.40 × 6,927.60
  4. Step 4: Simplify right side
    8,820.24x = 84,353,228.64
  5. Step 5: Solve for x
    x = 84,353,228.64/8,820.24
  6. Step 6: Final answer
    x = 9,563.60

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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.