Home / 10,865.75-14,995.55-6,085.45

Finding the Fourth Proportional to 10,865.75, 14,995.55 and 6,085.45

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Solution

The fourth proportional to 10,865.75, 14,995.55 and 6,085.45 is: 8,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.75 : 14,995.55 = 6,085.45 : x
  2. Step 2: Convert to fraction form
    10,865.75/14,995.55 = 6,085.45/x
  3. Step 3: Cross multiply
    10,865.75x = 14,995.55 × 6,085.45
  4. Step 4: Simplify right side
    10,865.75x = 91,254,669.75
  5. Step 5: Solve for x
    x = 91,254,669.75/10,865.75
  6. Step 6: Final answer
    x = 8,398.38

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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.