Home / 10,087.35-13,916.96-6,315.23

Finding the Fourth Proportional to 10,087.35, 13,916.96 and 6,315.23

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Solution

The fourth proportional to 10,087.35, 13,916.96 and 6,315.23 is: 8,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.35 : 13,916.96 = 6,315.23 : x
  2. Step 2: Convert to fraction form
    10,087.35/13,916.96 = 6,315.23/x
  3. Step 3: Cross multiply
    10,087.35x = 13,916.96 × 6,315.23
  4. Step 4: Simplify right side
    10,087.35x = 87,888,702.14
  5. Step 5: Solve for x
    x = 87,888,702.14/10,087.35
  6. Step 6: Final answer
    x = 8,712.76

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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.