Home / 8,545.02-11,788.81-6,312.25

Finding the Fourth Proportional to 8,545.02, 11,788.81 and 6,312.25

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Solution

The fourth proportional to 8,545.02, 11,788.81 and 6,312.25 is: 8,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.02 : 11,788.81 = 6,312.25 : x
  2. Step 2: Convert to fraction form
    8,545.02/11,788.81 = 6,312.25/x
  3. Step 3: Cross multiply
    8,545.02x = 11,788.81 × 6,312.25
  4. Step 4: Simplify right side
    8,545.02x = 74,413,915.92
  5. Step 5: Solve for x
    x = 74,413,915.92/8,545.02
  6. Step 6: Final answer
    x = 8,708.45

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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.