Home / 12,079.56-16,652.32-8,483.60

Finding the Fourth Proportional to 12,079.56, 16,652.32 and 8,483.60

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Solution

The fourth proportional to 12,079.56, 16,652.32 and 8,483.60 is: 11,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.56 : 16,652.32 = 8,483.60 : x
  2. Step 2: Convert to fraction form
    12,079.56/16,652.32 = 8,483.60/x
  3. Step 3: Cross multiply
    12,079.56x = 16,652.32 × 8,483.60
  4. Step 4: Simplify right side
    12,079.56x = 141,271,621.95
  5. Step 5: Solve for x
    x = 141,271,621.95/12,079.56
  6. Step 6: Final answer
    x = 11,695.10

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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.