Home / 9,715.50-14,575.01-6,431.31

Finding the Fourth Proportional to 9,715.50, 14,575.01 and 6,431.31

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Solution

The fourth proportional to 9,715.50, 14,575.01 and 6,431.31 is: 9,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.50 : 14,575.01 = 6,431.31 : x
  2. Step 2: Convert to fraction form
    9,715.50/14,575.01 = 6,431.31/x
  3. Step 3: Cross multiply
    9,715.50x = 14,575.01 × 6,431.31
  4. Step 4: Simplify right side
    9,715.50x = 93,736,375.41
  5. Step 5: Solve for x
    x = 93,736,375.41/9,715.50
  6. Step 6: Final answer
    x = 9,648.13

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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.