Home / 10,460.20-15,615.06-8,963.32

Finding the Fourth Proportional to 10,460.20, 15,615.06 and 8,963.32

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Solution

The fourth proportional to 10,460.20, 15,615.06 and 8,963.32 is: 13,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.20 : 15,615.06 = 8,963.32 : x
  2. Step 2: Convert to fraction form
    10,460.20/15,615.06 = 8,963.32/x
  3. Step 3: Cross multiply
    10,460.20x = 15,615.06 × 8,963.32
  4. Step 4: Simplify right side
    10,460.20x = 139,962,779.60
  5. Step 5: Solve for x
    x = 139,962,779.60/10,460.20
  6. Step 6: Final answer
    x = 13,380.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.