Home / 10,408.61-14,362.59-6,630.22

Finding the Fourth Proportional to 10,408.61, 14,362.59 and 6,630.22

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Solution

The fourth proportional to 10,408.61, 14,362.59 and 6,630.22 is: 9,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.61 : 14,362.59 = 6,630.22 : x
  2. Step 2: Convert to fraction form
    10,408.61/14,362.59 = 6,630.22/x
  3. Step 3: Cross multiply
    10,408.61x = 14,362.59 × 6,630.22
  4. Step 4: Simplify right side
    10,408.61x = 95,227,131.47
  5. Step 5: Solve for x
    x = 95,227,131.47/10,408.61
  6. Step 6: Final answer
    x = 9,148.89

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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.