Home / 12,360.96-18,543.60-5,346.18

Finding the Fourth Proportional to 12,360.96, 18,543.60 and 5,346.18

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Solution

The fourth proportional to 12,360.96, 18,543.60 and 5,346.18 is: 8,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.96 : 18,543.60 = 5,346.18 : x
  2. Step 2: Convert to fraction form
    12,360.96/18,543.60 = 5,346.18/x
  3. Step 3: Cross multiply
    12,360.96x = 18,543.60 × 5,346.18
  4. Step 4: Simplify right side
    12,360.96x = 99,137,423.45
  5. Step 5: Solve for x
    x = 99,137,423.45/12,360.96
  6. Step 6: Final answer
    x = 8,020.20

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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.