Home / 9,663.53-13,360.05-7,141.67

Finding the Fourth Proportional to 9,663.53, 13,360.05 and 7,141.67

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Solution

The fourth proportional to 9,663.53, 13,360.05 and 7,141.67 is: 9,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.53 : 13,360.05 = 7,141.67 : x
  2. Step 2: Convert to fraction form
    9,663.53/13,360.05 = 7,141.67/x
  3. Step 3: Cross multiply
    9,663.53x = 13,360.05 × 7,141.67
  4. Step 4: Simplify right side
    9,663.53x = 95,413,001.48
  5. Step 5: Solve for x
    x = 95,413,001.48/9,663.53
  6. Step 6: Final answer
    x = 9,873.52

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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.