Home / 10,190.49-15,275.93-5,570.25

Finding the Fourth Proportional to 10,190.49, 15,275.93 and 5,570.25

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Solution

The fourth proportional to 10,190.49, 15,275.93 and 5,570.25 is: 8,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.49 : 15,275.93 = 5,570.25 : x
  2. Step 2: Convert to fraction form
    10,190.49/15,275.93 = 5,570.25/x
  3. Step 3: Cross multiply
    10,190.49x = 15,275.93 × 5,570.25
  4. Step 4: Simplify right side
    10,190.49x = 85,090,721.23
  5. Step 5: Solve for x
    x = 85,090,721.23/10,190.49
  6. Step 6: Final answer
    x = 8,350.01

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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.