Home / 10,780.20-14,877.54-6,064.20

Finding the Fourth Proportional to 10,780.20, 14,877.54 and 6,064.20

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Solution

The fourth proportional to 10,780.20, 14,877.54 and 6,064.20 is: 8,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.20 : 14,877.54 = 6,064.20 : x
  2. Step 2: Convert to fraction form
    10,780.20/14,877.54 = 6,064.20/x
  3. Step 3: Cross multiply
    10,780.20x = 14,877.54 × 6,064.20
  4. Step 4: Simplify right side
    10,780.20x = 90,220,378.07
  5. Step 5: Solve for x
    x = 90,220,378.07/10,780.20
  6. Step 6: Final answer
    x = 8,369.08

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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.