Home / 7,547.59-10,418.47-6,481.07

Finding the Fourth Proportional to 7,547.59, 10,418.47 and 6,481.07

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Solution

The fourth proportional to 7,547.59, 10,418.47 and 6,481.07 is: 8,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.59 : 10,418.47 = 6,481.07 : x
  2. Step 2: Convert to fraction form
    7,547.59/10,418.47 = 6,481.07/x
  3. Step 3: Cross multiply
    7,547.59x = 10,418.47 × 6,481.07
  4. Step 4: Simplify right side
    7,547.59x = 67,522,833.36
  5. Step 5: Solve for x
    x = 67,522,833.36/7,547.59
  6. Step 6: Final answer
    x = 8,946.28

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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.