Home / 10,334.10-15,501.15-7,418.10

Finding the Fourth Proportional to 10,334.10, 15,501.15 and 7,418.10

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Solution

The fourth proportional to 10,334.10, 15,501.15 and 7,418.10 is: 11,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.10 : 15,501.15 = 7,418.10 : x
  2. Step 2: Convert to fraction form
    10,334.10/15,501.15 = 7,418.10/x
  3. Step 3: Cross multiply
    10,334.10x = 15,501.15 × 7,418.10
  4. Step 4: Simplify right side
    10,334.10x = 114,989,080.82
  5. Step 5: Solve for x
    x = 114,989,080.82/10,334.10
  6. Step 6: Final answer
    x = 11,127.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.