Home / 8,625.34-11,895.75-5,307.58

Finding the Fourth Proportional to 8,625.34, 11,895.75 and 5,307.58

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Solution

The fourth proportional to 8,625.34, 11,895.75 and 5,307.58 is: 7,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.34 : 11,895.75 = 5,307.58 : x
  2. Step 2: Convert to fraction form
    8,625.34/11,895.75 = 5,307.58/x
  3. Step 3: Cross multiply
    8,625.34x = 11,895.75 × 5,307.58
  4. Step 4: Simplify right side
    8,625.34x = 63,137,644.79
  5. Step 5: Solve for x
    x = 63,137,644.79/8,625.34
  6. Step 6: Final answer
    x = 7,320.02

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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.