Home / 7,547.43-10,416.70-4,191.32

Finding the Fourth Proportional to 7,547.43, 10,416.70 and 4,191.32

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Solution

The fourth proportional to 7,547.43, 10,416.70 and 4,191.32 is: 5,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.43 : 10,416.70 = 4,191.32 : x
  2. Step 2: Convert to fraction form
    7,547.43/10,416.70 = 4,191.32/x
  3. Step 3: Cross multiply
    7,547.43x = 10,416.70 × 4,191.32
  4. Step 4: Simplify right side
    7,547.43x = 43,659,723.04
  5. Step 5: Solve for x
    x = 43,659,723.04/7,547.43
  6. Step 6: Final answer
    x = 5,784.71

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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.