Home / 10,378.52-15,567.38-5,700.72

Finding the Fourth Proportional to 10,378.52, 15,567.38 and 5,700.72

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Solution

The fourth proportional to 10,378.52, 15,567.38 and 5,700.72 is: 8,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.52 : 15,567.38 = 5,700.72 : x
  2. Step 2: Convert to fraction form
    10,378.52/15,567.38 = 5,700.72/x
  3. Step 3: Cross multiply
    10,378.52x = 15,567.38 × 5,700.72
  4. Step 4: Simplify right side
    10,378.52x = 88,745,274.51
  5. Step 5: Solve for x
    x = 88,745,274.51/10,378.52
  6. Step 6: Final answer
    x = 8,550.86

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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.