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Finding the Fourth Proportional to 8,970.10, 13,462.11 and 6,216.07

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Solution

The fourth proportional to 8,970.10, 13,462.11 and 6,216.07 is: 9,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.10 : 13,462.11 = 6,216.07 : x
  2. Step 2: Convert to fraction form
    8,970.10/13,462.11 = 6,216.07/x
  3. Step 3: Cross multiply
    8,970.10x = 13,462.11 × 6,216.07
  4. Step 4: Simplify right side
    8,970.10x = 83,681,418.11
  5. Step 5: Solve for x
    x = 83,681,418.11/8,970.10
  6. Step 6: Final answer
    x = 9,328.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.