Home / 10,782.90-14,880.60-6,533.82

Finding the Fourth Proportional to 10,782.90, 14,880.60 and 6,533.82

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Solution

The fourth proportional to 10,782.90, 14,880.60 and 6,533.82 is: 9,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.90 : 14,880.60 = 6,533.82 : x
  2. Step 2: Convert to fraction form
    10,782.90/14,880.60 = 6,533.82/x
  3. Step 3: Cross multiply
    10,782.90x = 14,880.60 × 6,533.82
  4. Step 4: Simplify right side
    10,782.90x = 97,227,161.89
  5. Step 5: Solve for x
    x = 97,227,161.89/10,782.90
  6. Step 6: Final answer
    x = 9,016.79

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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.