Home / 11,307.50-15,604.35-6,590.87

Finding the Fourth Proportional to 11,307.50, 15,604.35 and 6,590.87

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Solution

The fourth proportional to 11,307.50, 15,604.35 and 6,590.87 is: 9,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.50 : 15,604.35 = 6,590.87 : x
  2. Step 2: Convert to fraction form
    11,307.50/15,604.35 = 6,590.87/x
  3. Step 3: Cross multiply
    11,307.50x = 15,604.35 × 6,590.87
  4. Step 4: Simplify right side
    11,307.50x = 102,846,242.28
  5. Step 5: Solve for x
    x = 102,846,242.28/11,307.50
  6. Step 6: Final answer
    x = 9,095.40

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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.