Home / 10,446.70-14,416.74-5,731.28

Finding the Fourth Proportional to 10,446.70, 14,416.74 and 5,731.28

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Solution

The fourth proportional to 10,446.70, 14,416.74 and 5,731.28 is: 7,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.70 : 14,416.74 = 5,731.28 : x
  2. Step 2: Convert to fraction form
    10,446.70/14,416.74 = 5,731.28/x
  3. Step 3: Cross multiply
    10,446.70x = 14,416.74 × 5,731.28
  4. Step 4: Simplify right side
    10,446.70x = 82,626,373.63
  5. Step 5: Solve for x
    x = 82,626,373.63/10,446.70
  6. Step 6: Final answer
    x = 7,909.33

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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.