Home / 6,312.36-8,710.74-3,517.32

Finding the Fourth Proportional to 6,312.36, 8,710.74 and 3,517.32

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Solution

The fourth proportional to 6,312.36, 8,710.74 and 3,517.32 is: 4,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.36 : 8,710.74 = 3,517.32 : x
  2. Step 2: Convert to fraction form
    6,312.36/8,710.74 = 3,517.32/x
  3. Step 3: Cross multiply
    6,312.36x = 8,710.74 × 3,517.32
  4. Step 4: Simplify right side
    6,312.36x = 30,638,460.02
  5. Step 5: Solve for x
    x = 30,638,460.02/6,312.36
  6. Step 6: Final answer
    x = 4,853.73

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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.