Home / 10,287.94-14,197.36-5,572.24

Finding the Fourth Proportional to 10,287.94, 14,197.36 and 5,572.24

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Solution

The fourth proportional to 10,287.94, 14,197.36 and 5,572.24 is: 7,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.94 : 14,197.36 = 5,572.24 : x
  2. Step 2: Convert to fraction form
    10,287.94/14,197.36 = 5,572.24/x
  3. Step 3: Cross multiply
    10,287.94x = 14,197.36 × 5,572.24
  4. Step 4: Simplify right side
    10,287.94x = 79,111,097.29
  5. Step 5: Solve for x
    x = 79,111,097.29/10,287.94
  6. Step 6: Final answer
    x = 7,689.69

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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.