Home / 10,838.17-14,963.57-8,315.49

Finding the Fourth Proportional to 10,838.17, 14,963.57 and 8,315.49

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Solution

The fourth proportional to 10,838.17, 14,963.57 and 8,315.49 is: 11,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.17 : 14,963.57 = 8,315.49 : x
  2. Step 2: Convert to fraction form
    10,838.17/14,963.57 = 8,315.49/x
  3. Step 3: Cross multiply
    10,838.17x = 14,963.57 × 8,315.49
  4. Step 4: Simplify right side
    10,838.17x = 124,429,416.70
  5. Step 5: Solve for x
    x = 124,429,416.70/10,838.17
  6. Step 6: Final answer
    x = 11,480.67

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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.