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Finding the Fourth Proportional to 8,597.71, 11,866.95 and 5,242.37

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Solution

The fourth proportional to 8,597.71, 11,866.95 and 5,242.37 is: 7,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.71 : 11,866.95 = 5,242.37 : x
  2. Step 2: Convert to fraction form
    8,597.71/11,866.95 = 5,242.37/x
  3. Step 3: Cross multiply
    8,597.71x = 11,866.95 × 5,242.37
  4. Step 4: Simplify right side
    8,597.71x = 62,210,962.51
  5. Step 5: Solve for x
    x = 62,210,962.51/8,597.71
  6. Step 6: Final answer
    x = 7,235.76

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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.