Home / 10,170.91-15,256.47-4,904.70

Finding the Fourth Proportional to 10,170.91, 15,256.47 and 4,904.70

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Solution

The fourth proportional to 10,170.91, 15,256.47 and 4,904.70 is: 7,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.91 : 15,256.47 = 4,904.70 : x
  2. Step 2: Convert to fraction form
    10,170.91/15,256.47 = 4,904.70/x
  3. Step 3: Cross multiply
    10,170.91x = 15,256.47 × 4,904.70
  4. Step 4: Simplify right side
    10,170.91x = 74,828,342.00
  5. Step 5: Solve for x
    x = 74,828,342.00/10,170.91
  6. Step 6: Final answer
    x = 7,357.09

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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.