Home / 9,888.48-14,830.56-2,960.64

Finding the Fourth Proportional to 9,888.48, 14,830.56 and 2,960.64

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Solution

The fourth proportional to 9,888.48, 14,830.56 and 2,960.64 is: 4,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.48 : 14,830.56 = 2,960.64 : x
  2. Step 2: Convert to fraction form
    9,888.48/14,830.56 = 2,960.64/x
  3. Step 3: Cross multiply
    9,888.48x = 14,830.56 × 2,960.64
  4. Step 4: Simplify right side
    9,888.48x = 43,907,949.16
  5. Step 5: Solve for x
    x = 43,907,949.16/9,888.48
  6. Step 6: Final answer
    x = 4,440.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.