Home / 10,546.40-15,827.38-4,999.72

Finding the Fourth Proportional to 10,546.40, 15,827.38 and 4,999.72

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Solution

The fourth proportional to 10,546.40, 15,827.38 and 4,999.72 is: 7,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.40 : 15,827.38 = 4,999.72 : x
  2. Step 2: Convert to fraction form
    10,546.40/15,827.38 = 4,999.72/x
  3. Step 3: Cross multiply
    10,546.40x = 15,827.38 × 4,999.72
  4. Step 4: Simplify right side
    10,546.40x = 79,132,468.33
  5. Step 5: Solve for x
    x = 79,132,468.33/10,546.40
  6. Step 6: Final answer
    x = 7,503.27

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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.