Home / 10,531.56-15,797.30-4,290.18

Finding the Fourth Proportional to 10,531.56, 15,797.30 and 4,290.18

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Solution

The fourth proportional to 10,531.56, 15,797.30 and 4,290.18 is: 6,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.56 : 15,797.30 = 4,290.18 : x
  2. Step 2: Convert to fraction form
    10,531.56/15,797.30 = 4,290.18/x
  3. Step 3: Cross multiply
    10,531.56x = 15,797.30 × 4,290.18
  4. Step 4: Simplify right side
    10,531.56x = 67,773,239.06
  5. Step 5: Solve for x
    x = 67,773,239.06/10,531.56
  6. Step 6: Final answer
    x = 6,435.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.