Home / 11,014.47-15,212.58-7,254.45

Finding the Fourth Proportional to 11,014.47, 15,212.58 and 7,254.45

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Solution

The fourth proportional to 11,014.47, 15,212.58 and 7,254.45 is: 10,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.47 : 15,212.58 = 7,254.45 : x
  2. Step 2: Convert to fraction form
    11,014.47/15,212.58 = 7,254.45/x
  3. Step 3: Cross multiply
    11,014.47x = 15,212.58 × 7,254.45
  4. Step 4: Simplify right side
    11,014.47x = 110,358,900.98
  5. Step 5: Solve for x
    x = 110,358,900.98/11,014.47
  6. Step 6: Final answer
    x = 10,019.45

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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.