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Finding the Fourth Proportional to 7,853.16, 10,836.14 and 5,023.07

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Solution

The fourth proportional to 7,853.16, 10,836.14 and 5,023.07 is: 6,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.16 : 10,836.14 = 5,023.07 : x
  2. Step 2: Convert to fraction form
    7,853.16/10,836.14 = 5,023.07/x
  3. Step 3: Cross multiply
    7,853.16x = 10,836.14 × 5,023.07
  4. Step 4: Simplify right side
    7,853.16x = 54,430,689.75
  5. Step 5: Solve for x
    x = 54,430,689.75/7,853.16
  6. Step 6: Final answer
    x = 6,931.06

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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.