Home / 10,367.29-14,310-9,838.36

Finding the Fourth Proportional to 10,367.29, 14,310 and 9,838.36

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Solution

The fourth proportional to 10,367.29, 14,310 and 9,838.36 is: 13,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.29 : 14,310 = 9,838.36 : x
  2. Step 2: Convert to fraction form
    10,367.29/14,310 = 9,838.36/x
  3. Step 3: Cross multiply
    10,367.29x = 14,310 × 9,838.36
  4. Step 4: Simplify right side
    10,367.29x = 140,786,931.60
  5. Step 5: Solve for x
    x = 140,786,931.60/10,367.29
  6. Step 6: Final answer
    x = 13,579.92

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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.