Home / 10,251.06-15,320.43-7,483.56

Finding the Fourth Proportional to 10,251.06, 15,320.43 and 7,483.56

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Solution

The fourth proportional to 10,251.06, 15,320.43 and 7,483.56 is: 11,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.06 : 15,320.43 = 7,483.56 : x
  2. Step 2: Convert to fraction form
    10,251.06/15,320.43 = 7,483.56/x
  3. Step 3: Cross multiply
    10,251.06x = 15,320.43 × 7,483.56
  4. Step 4: Simplify right side
    10,251.06x = 114,651,319.71
  5. Step 5: Solve for x
    x = 114,651,319.71/10,251.06
  6. Step 6: Final answer
    x = 11,184.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.