Home / 10,446.39-14,416.16-5,730.57

Finding the Fourth Proportional to 10,446.39, 14,416.16 and 5,730.57

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Solution

The fourth proportional to 10,446.39, 14,416.16 and 5,730.57 is: 7,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.39 : 14,416.16 = 5,730.57 : x
  2. Step 2: Convert to fraction form
    10,446.39/14,416.16 = 5,730.57/x
  3. Step 3: Cross multiply
    10,446.39x = 14,416.16 × 5,730.57
  4. Step 4: Simplify right side
    10,446.39x = 82,612,785.36
  5. Step 5: Solve for x
    x = 82,612,785.36/10,446.39
  6. Step 6: Final answer
    x = 7,908.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.