Home / 10,688.18-14,749.66-5,972.47

Finding the Fourth Proportional to 10,688.18, 14,749.66 and 5,972.47

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Solution

The fourth proportional to 10,688.18, 14,749.66 and 5,972.47 is: 8,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.18 : 14,749.66 = 5,972.47 : x
  2. Step 2: Convert to fraction form
    10,688.18/14,749.66 = 5,972.47/x
  3. Step 3: Cross multiply
    10,688.18x = 14,749.66 × 5,972.47
  4. Step 4: Simplify right side
    10,688.18x = 88,091,798.25
  5. Step 5: Solve for x
    x = 88,091,798.25/10,688.18
  6. Step 6: Final answer
    x = 8,241.98

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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.