Home / 11,508.04-15,881.27-7,030.85

Finding the Fourth Proportional to 11,508.04, 15,881.27 and 7,030.85

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Solution

The fourth proportional to 11,508.04, 15,881.27 and 7,030.85 is: 9,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.04 : 15,881.27 = 7,030.85 : x
  2. Step 2: Convert to fraction form
    11,508.04/15,881.27 = 7,030.85/x
  3. Step 3: Cross multiply
    11,508.04x = 15,881.27 × 7,030.85
  4. Step 4: Simplify right side
    11,508.04x = 111,658,756.56
  5. Step 5: Solve for x
    x = 111,658,756.56/11,508.04
  6. Step 6: Final answer
    x = 9,702.67

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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.