Home / 10,781.48-14,877.38-6,065.66

Finding the Fourth Proportional to 10,781.48, 14,877.38 and 6,065.66

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Solution

The fourth proportional to 10,781.48, 14,877.38 and 6,065.66 is: 8,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.48 : 14,877.38 = 6,065.66 : x
  2. Step 2: Convert to fraction form
    10,781.48/14,877.38 = 6,065.66/x
  3. Step 3: Cross multiply
    10,781.48x = 14,877.38 × 6,065.66
  4. Step 4: Simplify right side
    10,781.48x = 90,241,024.06
  5. Step 5: Solve for x
    x = 90,241,024.06/10,781.48
  6. Step 6: Final answer
    x = 8,370.01

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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.