Home / 10,781.02-14,877.70-6,065.34

Finding the Fourth Proportional to 10,781.02, 14,877.70 and 6,065.34

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Solution

The fourth proportional to 10,781.02, 14,877.70 and 6,065.34 is: 8,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.02 : 14,877.70 = 6,065.34 : x
  2. Step 2: Convert to fraction form
    10,781.02/14,877.70 = 6,065.34/x
  3. Step 3: Cross multiply
    10,781.02x = 14,877.70 × 6,065.34
  4. Step 4: Simplify right side
    10,781.02x = 90,238,308.92
  5. Step 5: Solve for x
    x = 90,238,308.92/10,781.02
  6. Step 6: Final answer
    x = 8,370.11

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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.