Home / 11,530.02-15,895.44-7,746.60

Finding the Fourth Proportional to 11,530.02, 15,895.44 and 7,746.60

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Solution

The fourth proportional to 11,530.02, 15,895.44 and 7,746.60 is: 10,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.02 : 15,895.44 = 7,746.60 : x
  2. Step 2: Convert to fraction form
    11,530.02/15,895.44 = 7,746.60/x
  3. Step 3: Cross multiply
    11,530.02x = 15,895.44 × 7,746.60
  4. Step 4: Simplify right side
    11,530.02x = 123,135,615.50
  5. Step 5: Solve for x
    x = 123,135,615.50/11,530.02
  6. Step 6: Final answer
    x = 10,679.57

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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.