Home / 10,031.64-13,845.60-5,785.44

Finding the Fourth Proportional to 10,031.64, 13,845.60 and 5,785.44

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Solution

The fourth proportional to 10,031.64, 13,845.60 and 5,785.44 is: 7,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.64 : 13,845.60 = 5,785.44 : x
  2. Step 2: Convert to fraction form
    10,031.64/13,845.60 = 5,785.44/x
  3. Step 3: Cross multiply
    10,031.64x = 13,845.60 × 5,785.44
  4. Step 4: Simplify right side
    10,031.64x = 80,102,888.06
  5. Step 5: Solve for x
    x = 80,102,888.06/10,031.64
  6. Step 6: Final answer
    x = 7,985.02

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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.