Home / 8,572.34-11,832.48-4,988.36

Finding the Fourth Proportional to 8,572.34, 11,832.48 and 4,988.36

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Solution

The fourth proportional to 8,572.34, 11,832.48 and 4,988.36 is: 6,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.34 : 11,832.48 = 4,988.36 : x
  2. Step 2: Convert to fraction form
    8,572.34/11,832.48 = 4,988.36/x
  3. Step 3: Cross multiply
    8,572.34x = 11,832.48 × 4,988.36
  4. Step 4: Simplify right side
    8,572.34x = 59,024,669.93
  5. Step 5: Solve for x
    x = 59,024,669.93/8,572.34
  6. Step 6: Final answer
    x = 6,885.48

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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.