Home / 11,157.95-15,398.02-6,122.63

Finding the Fourth Proportional to 11,157.95, 15,398.02 and 6,122.63

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Solution

The fourth proportional to 11,157.95, 15,398.02 and 6,122.63 is: 8,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.95 : 15,398.02 = 6,122.63 : x
  2. Step 2: Convert to fraction form
    11,157.95/15,398.02 = 6,122.63/x
  3. Step 3: Cross multiply
    11,157.95x = 15,398.02 × 6,122.63
  4. Step 4: Simplify right side
    11,157.95x = 94,276,302.20
  5. Step 5: Solve for x
    x = 94,276,302.20/11,157.95
  6. Step 6: Final answer
    x = 8,449.25

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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.