Home / 10,083.51-15,147.12-8,526.63

Finding the Fourth Proportional to 10,083.51, 15,147.12 and 8,526.63

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Solution

The fourth proportional to 10,083.51, 15,147.12 and 8,526.63 is: 12,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.51 : 15,147.12 = 8,526.63 : x
  2. Step 2: Convert to fraction form
    10,083.51/15,147.12 = 8,526.63/x
  3. Step 3: Cross multiply
    10,083.51x = 15,147.12 × 8,526.63
  4. Step 4: Simplify right side
    10,083.51x = 129,153,887.81
  5. Step 5: Solve for x
    x = 129,153,887.81/10,083.51
  6. Step 6: Final answer
    x = 12,808.43

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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.