Home / 10,782.02-14,799.70-9,576.74

Finding the Fourth Proportional to 10,782.02, 14,799.70 and 9,576.74

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Solution

The fourth proportional to 10,782.02, 14,799.70 and 9,576.74 is: 13,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.02 : 14,799.70 = 9,576.74 : x
  2. Step 2: Convert to fraction form
    10,782.02/14,799.70 = 9,576.74/x
  3. Step 3: Cross multiply
    10,782.02x = 14,799.70 × 9,576.74
  4. Step 4: Simplify right side
    10,782.02x = 141,732,874.08
  5. Step 5: Solve for x
    x = 141,732,874.08/10,782.02
  6. Step 6: Final answer
    x = 13,145.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.