Home / 9,936.63-13,712.80-5,460.50

Finding the Fourth Proportional to 9,936.63, 13,712.80 and 5,460.50

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Solution

The fourth proportional to 9,936.63, 13,712.80 and 5,460.50 is: 7,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.63 : 13,712.80 = 5,460.50 : x
  2. Step 2: Convert to fraction form
    9,936.63/13,712.80 = 5,460.50/x
  3. Step 3: Cross multiply
    9,936.63x = 13,712.80 × 5,460.50
  4. Step 4: Simplify right side
    9,936.63x = 74,878,744.40
  5. Step 5: Solve for x
    x = 74,878,744.40/9,936.63
  6. Step 6: Final answer
    x = 7,535.63

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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.