Home / 9,975.16-14,972-5,048.28

Finding the Fourth Proportional to 9,975.16, 14,972 and 5,048.28

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Solution

The fourth proportional to 9,975.16, 14,972 and 5,048.28 is: 7,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.16 : 14,972 = 5,048.28 : x
  2. Step 2: Convert to fraction form
    9,975.16/14,972 = 5,048.28/x
  3. Step 3: Cross multiply
    9,975.16x = 14,972 × 5,048.28
  4. Step 4: Simplify right side
    9,975.16x = 75,582,848.16
  5. Step 5: Solve for x
    x = 75,582,848.16/9,975.16
  6. Step 6: Final answer
    x = 7,577.11

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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.