Home / 9,772.16-13,485.56-5,295.89

Finding the Fourth Proportional to 9,772.16, 13,485.56 and 5,295.89

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Solution

The fourth proportional to 9,772.16, 13,485.56 and 5,295.89 is: 7,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.16 : 13,485.56 = 5,295.89 : x
  2. Step 2: Convert to fraction form
    9,772.16/13,485.56 = 5,295.89/x
  3. Step 3: Cross multiply
    9,772.16x = 13,485.56 × 5,295.89
  4. Step 4: Simplify right side
    9,772.16x = 71,417,948.44
  5. Step 5: Solve for x
    x = 71,417,948.44/9,772.16
  6. Step 6: Final answer
    x = 7,308.31

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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.