Home / 11,030.49-15,228.36-7,264.60

Finding the Fourth Proportional to 11,030.49, 15,228.36 and 7,264.60

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Solution

The fourth proportional to 11,030.49, 15,228.36 and 7,264.60 is: 10,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.49 : 15,228.36 = 7,264.60 : x
  2. Step 2: Convert to fraction form
    11,030.49/15,228.36 = 7,264.60/x
  3. Step 3: Cross multiply
    11,030.49x = 15,228.36 × 7,264.60
  4. Step 4: Simplify right side
    11,030.49x = 110,627,905.99
  5. Step 5: Solve for x
    x = 110,627,905.99/11,030.49
  6. Step 6: Final answer
    x = 10,029.28

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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.