Home / 10,975.04-15,145.81-6,259.22

Finding the Fourth Proportional to 10,975.04, 15,145.81 and 6,259.22

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Solution

The fourth proportional to 10,975.04, 15,145.81 and 6,259.22 is: 8,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.04 : 15,145.81 = 6,259.22 : x
  2. Step 2: Convert to fraction form
    10,975.04/15,145.81 = 6,259.22/x
  3. Step 3: Cross multiply
    10,975.04x = 15,145.81 × 6,259.22
  4. Step 4: Simplify right side
    10,975.04x = 94,800,865.49
  5. Step 5: Solve for x
    x = 94,800,865.49/10,975.04
  6. Step 6: Final answer
    x = 8,637.86

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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.