Home / 8,515.98-12,759.53-6,038.46

Finding the Fourth Proportional to 8,515.98, 12,759.53 and 6,038.46

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Solution

The fourth proportional to 8,515.98, 12,759.53 and 6,038.46 is: 9,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.98 : 12,759.53 = 6,038.46 : x
  2. Step 2: Convert to fraction form
    8,515.98/12,759.53 = 6,038.46/x
  3. Step 3: Cross multiply
    8,515.98x = 12,759.53 × 6,038.46
  4. Step 4: Simplify right side
    8,515.98x = 77,047,881.33
  5. Step 5: Solve for x
    x = 77,047,881.33/8,515.98
  6. Step 6: Final answer
    x = 9,047.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.