Home / 11,281.37-15,574.73-7,509.74

Finding the Fourth Proportional to 11,281.37, 15,574.73 and 7,509.74

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Solution

The fourth proportional to 11,281.37, 15,574.73 and 7,509.74 is: 10,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.37 : 15,574.73 = 7,509.74 : x
  2. Step 2: Convert to fraction form
    11,281.37/15,574.73 = 7,509.74/x
  3. Step 3: Cross multiply
    11,281.37x = 15,574.73 × 7,509.74
  4. Step 4: Simplify right side
    11,281.37x = 116,962,057.45
  5. Step 5: Solve for x
    x = 116,962,057.45/11,281.37
  6. Step 6: Final answer
    x = 10,367.72

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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.