Home / 12,582.60-18,884.70-5,573.40

Finding the Fourth Proportional to 12,582.60, 18,884.70 and 5,573.40

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Solution

The fourth proportional to 12,582.60, 18,884.70 and 5,573.40 is: 8,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.60 : 18,884.70 = 5,573.40 : x
  2. Step 2: Convert to fraction form
    12,582.60/18,884.70 = 5,573.40/x
  3. Step 3: Cross multiply
    12,582.60x = 18,884.70 × 5,573.40
  4. Step 4: Simplify right side
    12,582.60x = 105,251,986.98
  5. Step 5: Solve for x
    x = 105,251,986.98/12,582.60
  6. Step 6: Final answer
    x = 8,364.88

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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.