Home / 8,473.50-11,690.70-5,117.40

Finding the Fourth Proportional to 8,473.50, 11,690.70 and 5,117.40

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Solution

The fourth proportional to 8,473.50, 11,690.70 and 5,117.40 is: 7,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.50 : 11,690.70 = 5,117.40 : x
  2. Step 2: Convert to fraction form
    8,473.50/11,690.70 = 5,117.40/x
  3. Step 3: Cross multiply
    8,473.50x = 11,690.70 × 5,117.40
  4. Step 4: Simplify right side
    8,473.50x = 59,825,988.18
  5. Step 5: Solve for x
    x = 59,825,988.18/8,473.50
  6. Step 6: Final answer
    x = 7,060.36

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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.