Home / 10,058.32-13,879.80-5,581.92

Finding the Fourth Proportional to 10,058.32, 13,879.80 and 5,581.92

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Solution

The fourth proportional to 10,058.32, 13,879.80 and 5,581.92 is: 7,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.32 : 13,879.80 = 5,581.92 : x
  2. Step 2: Convert to fraction form
    10,058.32/13,879.80 = 5,581.92/x
  3. Step 3: Cross multiply
    10,058.32x = 13,879.80 × 5,581.92
  4. Step 4: Simplify right side
    10,058.32x = 77,475,933.22
  5. Step 5: Solve for x
    x = 77,475,933.22/10,058.32
  6. Step 6: Final answer
    x = 7,702.67

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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.