Home / 9,551.12-13,180.48-5,359.40

Finding the Fourth Proportional to 9,551.12, 13,180.48 and 5,359.40

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Solution

The fourth proportional to 9,551.12, 13,180.48 and 5,359.40 is: 7,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551.12 : 13,180.48 = 5,359.40 : x
  2. Step 2: Convert to fraction form
    9,551.12/13,180.48 = 5,359.40/x
  3. Step 3: Cross multiply
    9,551.12x = 13,180.48 × 5,359.40
  4. Step 4: Simplify right side
    9,551.12x = 70,639,464.51
  5. Step 5: Solve for x
    x = 70,639,464.51/9,551.12
  6. Step 6: Final answer
    x = 7,395.94

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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.