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Finding the Fourth Proportional to 10,715.71, 14,808.02 and 8,058.51

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Solution

The fourth proportional to 10,715.71, 14,808.02 and 8,058.51 is: 11,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.71 : 14,808.02 = 8,058.51 : x
  2. Step 2: Convert to fraction form
    10,715.71/14,808.02 = 8,058.51/x
  3. Step 3: Cross multiply
    10,715.71x = 14,808.02 × 8,058.51
  4. Step 4: Simplify right side
    10,715.71x = 119,330,577.25
  5. Step 5: Solve for x
    x = 119,330,577.25/10,715.71
  6. Step 6: Final answer
    x = 11,136.04

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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.