Home / 10,904.16-15,039.60-7,363.68

Finding the Fourth Proportional to 10,904.16, 15,039.60 and 7,363.68

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Solution

The fourth proportional to 10,904.16, 15,039.60 and 7,363.68 is: 10,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.16 : 15,039.60 = 7,363.68 : x
  2. Step 2: Convert to fraction form
    10,904.16/15,039.60 = 7,363.68/x
  3. Step 3: Cross multiply
    10,904.16x = 15,039.60 × 7,363.68
  4. Step 4: Simplify right side
    10,904.16x = 110,746,801.73
  5. Step 5: Solve for x
    x = 110,746,801.73/10,904.16
  6. Step 6: Final answer
    x = 10,156.38

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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.