Home / 10,097.40-13,924.80-6,689.01

Finding the Fourth Proportional to 10,097.40, 13,924.80 and 6,689.01

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Solution

The fourth proportional to 10,097.40, 13,924.80 and 6,689.01 is: 9,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.40 : 13,924.80 = 6,689.01 : x
  2. Step 2: Convert to fraction form
    10,097.40/13,924.80 = 6,689.01/x
  3. Step 3: Cross multiply
    10,097.40x = 13,924.80 × 6,689.01
  4. Step 4: Simplify right side
    10,097.40x = 93,143,126.45
  5. Step 5: Solve for x
    x = 93,143,126.45/10,097.40
  6. Step 6: Final answer
    x = 9,224.47

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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.