Home / 10,916.64-15,057.36-7,333.20

Finding the Fourth Proportional to 10,916.64, 15,057.36 and 7,333.20

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Solution

The fourth proportional to 10,916.64, 15,057.36 and 7,333.20 is: 10,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.64 : 15,057.36 = 7,333.20 : x
  2. Step 2: Convert to fraction form
    10,916.64/15,057.36 = 7,333.20/x
  3. Step 3: Cross multiply
    10,916.64x = 15,057.36 × 7,333.20
  4. Step 4: Simplify right side
    10,916.64x = 110,418,632.35
  5. Step 5: Solve for x
    x = 110,418,632.35/10,916.64
  6. Step 6: Final answer
    x = 10,114.71

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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.