Home / 9,929.97-13,703.58-5,454

Finding the Fourth Proportional to 9,929.97, 13,703.58 and 5,454

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Solution

The fourth proportional to 9,929.97, 13,703.58 and 5,454 is: 7,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.97 : 13,703.58 = 5,454 : x
  2. Step 2: Convert to fraction form
    9,929.97/13,703.58 = 5,454/x
  3. Step 3: Cross multiply
    9,929.97x = 13,703.58 × 5,454
  4. Step 4: Simplify right side
    9,929.97x = 74,739,325.32
  5. Step 5: Solve for x
    x = 74,739,325.32/9,929.97
  6. Step 6: Final answer
    x = 7,526.64

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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.