Home / 9,487.44-13,089.96-6,130.32

Finding the Fourth Proportional to 9,487.44, 13,089.96 and 6,130.32

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Solution

The fourth proportional to 9,487.44, 13,089.96 and 6,130.32 is: 8,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.44 : 13,089.96 = 6,130.32 : x
  2. Step 2: Convert to fraction form
    9,487.44/13,089.96 = 6,130.32/x
  3. Step 3: Cross multiply
    9,487.44x = 13,089.96 × 6,130.32
  4. Step 4: Simplify right side
    9,487.44x = 80,245,643.59
  5. Step 5: Solve for x
    x = 80,245,643.59/9,487.44
  6. Step 6: Final answer
    x = 8,458.09

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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.