Home / 9,218.18-12,720.74-5,026.34

Finding the Fourth Proportional to 9,218.18, 12,720.74 and 5,026.34

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Solution

The fourth proportional to 9,218.18, 12,720.74 and 5,026.34 is: 6,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.18 : 12,720.74 = 5,026.34 : x
  2. Step 2: Convert to fraction form
    9,218.18/12,720.74 = 5,026.34/x
  3. Step 3: Cross multiply
    9,218.18x = 12,720.74 × 5,026.34
  4. Step 4: Simplify right side
    9,218.18x = 63,938,764.29
  5. Step 5: Solve for x
    x = 63,938,764.29/9,218.18
  6. Step 6: Final answer
    x = 6,936.16

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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.