Home / 11,715.40-17,573.10-4,322.13

Finding the Fourth Proportional to 11,715.40, 17,573.10 and 4,322.13

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Solution

The fourth proportional to 11,715.40, 17,573.10 and 4,322.13 is: 6,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.40 : 17,573.10 = 4,322.13 : x
  2. Step 2: Convert to fraction form
    11,715.40/17,573.10 = 4,322.13/x
  3. Step 3: Cross multiply
    11,715.40x = 17,573.10 × 4,322.13
  4. Step 4: Simplify right side
    11,715.40x = 75,953,222.70
  5. Step 5: Solve for x
    x = 75,953,222.70/11,715.40
  6. Step 6: Final answer
    x = 6,483.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.