Home / 11,970.36-16,516.34-7,253.64

Finding the Fourth Proportional to 11,970.36, 16,516.34 and 7,253.64

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Solution

The fourth proportional to 11,970.36, 16,516.34 and 7,253.64 is: 10,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.36 : 16,516.34 = 7,253.64 : x
  2. Step 2: Convert to fraction form
    11,970.36/16,516.34 = 7,253.64/x
  3. Step 3: Cross multiply
    11,970.36x = 16,516.34 × 7,253.64
  4. Step 4: Simplify right side
    11,970.36x = 119,803,584.48
  5. Step 5: Solve for x
    x = 119,803,584.48/11,970.36
  6. Step 6: Final answer
    x = 10,008.35

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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.