Home / 10,195.14-14,070.87-5,720.70

Finding the Fourth Proportional to 10,195.14, 14,070.87 and 5,720.70

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Solution

The fourth proportional to 10,195.14, 14,070.87 and 5,720.70 is: 7,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.14 : 14,070.87 = 5,720.70 : x
  2. Step 2: Convert to fraction form
    10,195.14/14,070.87 = 5,720.70/x
  3. Step 3: Cross multiply
    10,195.14x = 14,070.87 × 5,720.70
  4. Step 4: Simplify right side
    10,195.14x = 80,495,226.01
  5. Step 5: Solve for x
    x = 80,495,226.01/10,195.14
  6. Step 6: Final answer
    x = 7,895.45

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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.