Home / 9,924.48-13,689.28-6,382.08

Finding the Fourth Proportional to 9,924.48, 13,689.28 and 6,382.08

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Solution

The fourth proportional to 9,924.48, 13,689.28 and 6,382.08 is: 8,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.48 : 13,689.28 = 6,382.08 : x
  2. Step 2: Convert to fraction form
    9,924.48/13,689.28 = 6,382.08/x
  3. Step 3: Cross multiply
    9,924.48x = 13,689.28 × 6,382.08
  4. Step 4: Simplify right side
    9,924.48x = 87,366,080.10
  5. Step 5: Solve for x
    x = 87,366,080.10/9,924.48
  6. Step 6: Final answer
    x = 8,803.09

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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.