Home / 10,001.42-15,011.26-5,074.46

Finding the Fourth Proportional to 10,001.42, 15,011.26 and 5,074.46

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Solution

The fourth proportional to 10,001.42, 15,011.26 and 5,074.46 is: 7,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.42 : 15,011.26 = 5,074.46 : x
  2. Step 2: Convert to fraction form
    10,001.42/15,011.26 = 5,074.46/x
  3. Step 3: Cross multiply
    10,001.42x = 15,011.26 × 5,074.46
  4. Step 4: Simplify right side
    10,001.42x = 76,174,038.42
  5. Step 5: Solve for x
    x = 76,174,038.42/10,001.42
  6. Step 6: Final answer
    x = 7,616.32

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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.