Home / 12,352.28-18,528.43-5,783.08

Finding the Fourth Proportional to 12,352.28, 18,528.43 and 5,783.08

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Solution

The fourth proportional to 12,352.28, 18,528.43 and 5,783.08 is: 8,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.28 : 18,528.43 = 5,783.08 : x
  2. Step 2: Convert to fraction form
    12,352.28/18,528.43 = 5,783.08/x
  3. Step 3: Cross multiply
    12,352.28x = 18,528.43 × 5,783.08
  4. Step 4: Simplify right side
    12,352.28x = 107,151,377.77
  5. Step 5: Solve for x
    x = 107,151,377.77/12,352.28
  6. Step 6: Final answer
    x = 8,674.62

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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.