Home / 11,263.78-15,544.97-6,547.75

Finding the Fourth Proportional to 11,263.78, 15,544.97 and 6,547.75

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Solution

The fourth proportional to 11,263.78, 15,544.97 and 6,547.75 is: 9,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.78 : 15,544.97 = 6,547.75 : x
  2. Step 2: Convert to fraction form
    11,263.78/15,544.97 = 6,547.75/x
  3. Step 3: Cross multiply
    11,263.78x = 15,544.97 × 6,547.75
  4. Step 4: Simplify right side
    11,263.78x = 101,784,577.32
  5. Step 5: Solve for x
    x = 101,784,577.32/11,263.78
  6. Step 6: Final answer
    x = 9,036.45

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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.