Home / 10,473.12-15,700.32-3,894.72

Finding the Fourth Proportional to 10,473.12, 15,700.32 and 3,894.72

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Solution

The fourth proportional to 10,473.12, 15,700.32 and 3,894.72 is: 5,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.12 : 15,700.32 = 3,894.72 : x
  2. Step 2: Convert to fraction form
    10,473.12/15,700.32 = 3,894.72/x
  3. Step 3: Cross multiply
    10,473.12x = 15,700.32 × 3,894.72
  4. Step 4: Simplify right side
    10,473.12x = 61,148,350.31
  5. Step 5: Solve for x
    x = 61,148,350.31/10,473.12
  6. Step 6: Final answer
    x = 5,838.60

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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.