Home / 12,587.02-17,362.44-9,055.02

Finding the Fourth Proportional to 12,587.02, 17,362.44 and 9,055.02

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Solution

The fourth proportional to 12,587.02, 17,362.44 and 9,055.02 is: 12,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.02 : 17,362.44 = 9,055.02 : x
  2. Step 2: Convert to fraction form
    12,587.02/17,362.44 = 9,055.02/x
  3. Step 3: Cross multiply
    12,587.02x = 17,362.44 × 9,055.02
  4. Step 4: Simplify right side
    12,587.02x = 157,217,241.45
  5. Step 5: Solve for x
    x = 157,217,241.45/12,587.02
  6. Step 6: Final answer
    x = 12,490.43

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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.