Home / 9,857.48-13,603.29-5,878.76

Finding the Fourth Proportional to 9,857.48, 13,603.29 and 5,878.76

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Solution

The fourth proportional to 9,857.48, 13,603.29 and 5,878.76 is: 8,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.48 : 13,603.29 = 5,878.76 : x
  2. Step 2: Convert to fraction form
    9,857.48/13,603.29 = 5,878.76/x
  3. Step 3: Cross multiply
    9,857.48x = 13,603.29 × 5,878.76
  4. Step 4: Simplify right side
    9,857.48x = 79,970,477.12
  5. Step 5: Solve for x
    x = 79,970,477.12/9,857.48
  6. Step 6: Final answer
    x = 8,112.67

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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.