Home / 8,807.02-13,211.36-3,186.10

Finding the Fourth Proportional to 8,807.02, 13,211.36 and 3,186.10

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Solution

The fourth proportional to 8,807.02, 13,211.36 and 3,186.10 is: 4,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.02 : 13,211.36 = 3,186.10 : x
  2. Step 2: Convert to fraction form
    8,807.02/13,211.36 = 3,186.10/x
  3. Step 3: Cross multiply
    8,807.02x = 13,211.36 × 3,186.10
  4. Step 4: Simplify right side
    8,807.02x = 42,092,714.10
  5. Step 5: Solve for x
    x = 42,092,714.10/8,807.02
  6. Step 6: Final answer
    x = 4,779.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.