Home / 9,486.48-13,091.40-5,295.12

Finding the Fourth Proportional to 9,486.48, 13,091.40 and 5,295.12

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Solution

The fourth proportional to 9,486.48, 13,091.40 and 5,295.12 is: 7,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.48 : 13,091.40 = 5,295.12 : x
  2. Step 2: Convert to fraction form
    9,486.48/13,091.40 = 5,295.12/x
  3. Step 3: Cross multiply
    9,486.48x = 13,091.40 × 5,295.12
  4. Step 4: Simplify right side
    9,486.48x = 69,320,533.97
  5. Step 5: Solve for x
    x = 69,320,533.97/9,486.48
  6. Step 6: Final answer
    x = 7,307.30

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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.