Home / 11,587.02-15,990.34-6,810.46

Finding the Fourth Proportional to 11,587.02, 15,990.34 and 6,810.46

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Solution

The fourth proportional to 11,587.02, 15,990.34 and 6,810.46 is: 9,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.02 : 15,990.34 = 6,810.46 : x
  2. Step 2: Convert to fraction form
    11,587.02/15,990.34 = 6,810.46/x
  3. Step 3: Cross multiply
    11,587.02x = 15,990.34 × 6,810.46
  4. Step 4: Simplify right side
    11,587.02x = 108,901,570.96
  5. Step 5: Solve for x
    x = 108,901,570.96/11,587.02
  6. Step 6: Final answer
    x = 9,398.58

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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.