Home / 8,159.07-11,264.18-5,372.67

Finding the Fourth Proportional to 8,159.07, 11,264.18 and 5,372.67

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Solution

The fourth proportional to 8,159.07, 11,264.18 and 5,372.67 is: 7,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.07 : 11,264.18 = 5,372.67 : x
  2. Step 2: Convert to fraction form
    8,159.07/11,264.18 = 5,372.67/x
  3. Step 3: Cross multiply
    8,159.07x = 11,264.18 × 5,372.67
  4. Step 4: Simplify right side
    8,159.07x = 60,518,721.96
  5. Step 5: Solve for x
    x = 60,518,721.96/8,159.07
  6. Step 6: Final answer
    x = 7,417.36

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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.