Home / 12,335.76-18,503.64-4,543.02

Finding the Fourth Proportional to 12,335.76, 18,503.64 and 4,543.02

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Solution

The fourth proportional to 12,335.76, 18,503.64 and 4,543.02 is: 6,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.76 : 18,503.64 = 4,543.02 : x
  2. Step 2: Convert to fraction form
    12,335.76/18,503.64 = 4,543.02/x
  3. Step 3: Cross multiply
    12,335.76x = 18,503.64 × 4,543.02
  4. Step 4: Simplify right side
    12,335.76x = 84,062,406.59
  5. Step 5: Solve for x
    x = 84,062,406.59/12,335.76
  6. Step 6: Final answer
    x = 6,814.53

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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.