Home / 10,341.02-15,490.70-4,786.70

Finding the Fourth Proportional to 10,341.02, 15,490.70 and 4,786.70

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Solution

The fourth proportional to 10,341.02, 15,490.70 and 4,786.70 is: 7,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.02 : 15,490.70 = 4,786.70 : x
  2. Step 2: Convert to fraction form
    10,341.02/15,490.70 = 4,786.70/x
  3. Step 3: Cross multiply
    10,341.02x = 15,490.70 × 4,786.70
  4. Step 4: Simplify right side
    10,341.02x = 74,149,333.69
  5. Step 5: Solve for x
    x = 74,149,333.69/10,341.02
  6. Step 6: Final answer
    x = 7,170.41

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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.