Home / 9,771.45-13,484.57-5,295.32

Finding the Fourth Proportional to 9,771.45, 13,484.57 and 5,295.32

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Solution

The fourth proportional to 9,771.45, 13,484.57 and 5,295.32 is: 7,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.45 : 13,484.57 = 5,295.32 : x
  2. Step 2: Convert to fraction form
    9,771.45/13,484.57 = 5,295.32/x
  3. Step 3: Cross multiply
    9,771.45x = 13,484.57 × 5,295.32
  4. Step 4: Simplify right side
    9,771.45x = 71,405,045.79
  5. Step 5: Solve for x
    x = 71,405,045.79/9,771.45
  6. Step 6: Final answer
    x = 7,307.52

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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.