Home / 6,239.58-8,602.35-5,173.32

Finding the Fourth Proportional to 6,239.58, 8,602.35 and 5,173.32

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Solution

The fourth proportional to 6,239.58, 8,602.35 and 5,173.32 is: 7,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.58 : 8,602.35 = 5,173.32 : x
  2. Step 2: Convert to fraction form
    6,239.58/8,602.35 = 5,173.32/x
  3. Step 3: Cross multiply
    6,239.58x = 8,602.35 × 5,173.32
  4. Step 4: Simplify right side
    6,239.58x = 44,502,709.30
  5. Step 5: Solve for x
    x = 44,502,709.30/6,239.58
  6. Step 6: Final answer
    x = 7,132.32

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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.