Home / 10,315.25-14,238.74-6,123.50

Finding the Fourth Proportional to 10,315.25, 14,238.74 and 6,123.50

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Solution

The fourth proportional to 10,315.25, 14,238.74 and 6,123.50 is: 8,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.25 : 14,238.74 = 6,123.50 : x
  2. Step 2: Convert to fraction form
    10,315.25/14,238.74 = 6,123.50/x
  3. Step 3: Cross multiply
    10,315.25x = 14,238.74 × 6,123.50
  4. Step 4: Simplify right side
    10,315.25x = 87,190,924.39
  5. Step 5: Solve for x
    x = 87,190,924.39/10,315.25
  6. Step 6: Final answer
    x = 8,452.62

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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.