Home / 9,515.34-13,124.16-6,531.30

Finding the Fourth Proportional to 9,515.34, 13,124.16 and 6,531.30

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Solution

The fourth proportional to 9,515.34, 13,124.16 and 6,531.30 is: 9,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.34 : 13,124.16 = 6,531.30 : x
  2. Step 2: Convert to fraction form
    9,515.34/13,124.16 = 6,531.30/x
  3. Step 3: Cross multiply
    9,515.34x = 13,124.16 × 6,531.30
  4. Step 4: Simplify right side
    9,515.34x = 85,717,826.21
  5. Step 5: Solve for x
    x = 85,717,826.21/9,515.34
  6. Step 6: Final answer
    x = 9,008.38

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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.