Home / 11,070.32-15,276.12-6,353.60

Finding the Fourth Proportional to 11,070.32, 15,276.12 and 6,353.60

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Solution

The fourth proportional to 11,070.32, 15,276.12 and 6,353.60 is: 8,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.32 : 15,276.12 = 6,353.60 : x
  2. Step 2: Convert to fraction form
    11,070.32/15,276.12 = 6,353.60/x
  3. Step 3: Cross multiply
    11,070.32x = 15,276.12 × 6,353.60
  4. Step 4: Simplify right side
    11,070.32x = 97,058,356.03
  5. Step 5: Solve for x
    x = 97,058,356.03/11,070.32
  6. Step 6: Final answer
    x = 8,767.44

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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.