Home / 9,013.20-13,519.80-6,536.40

Finding the Fourth Proportional to 9,013.20, 13,519.80 and 6,536.40

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Solution

The fourth proportional to 9,013.20, 13,519.80 and 6,536.40 is: 9,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.20 : 13,519.80 = 6,536.40 : x
  2. Step 2: Convert to fraction form
    9,013.20/13,519.80 = 6,536.40/x
  3. Step 3: Cross multiply
    9,013.20x = 13,519.80 × 6,536.40
  4. Step 4: Simplify right side
    9,013.20x = 88,370,820.72
  5. Step 5: Solve for x
    x = 88,370,820.72/9,013.20
  6. Step 6: Final answer
    x = 9,804.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.