Home / 9,511.04-13,125.48-5,261.60

Finding the Fourth Proportional to 9,511.04, 13,125.48 and 5,261.60

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Solution

The fourth proportional to 9,511.04, 13,125.48 and 5,261.60 is: 7,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.04 : 13,125.48 = 5,261.60 : x
  2. Step 2: Convert to fraction form
    9,511.04/13,125.48 = 5,261.60/x
  3. Step 3: Cross multiply
    9,511.04x = 13,125.48 × 5,261.60
  4. Step 4: Simplify right side
    9,511.04x = 69,061,025.57
  5. Step 5: Solve for x
    x = 69,061,025.57/9,511.04
  6. Step 6: Final answer
    x = 7,261.14

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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.