Home / 8,555.40-11,805.98-4,970.52

Finding the Fourth Proportional to 8,555.40, 11,805.98 and 4,970.52

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Solution

The fourth proportional to 8,555.40, 11,805.98 and 4,970.52 is: 6,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.40 : 11,805.98 = 4,970.52 : x
  2. Step 2: Convert to fraction form
    8,555.40/11,805.98 = 4,970.52/x
  3. Step 3: Cross multiply
    8,555.40x = 11,805.98 × 4,970.52
  4. Step 4: Simplify right side
    8,555.40x = 58,681,834.86
  5. Step 5: Solve for x
    x = 58,681,834.86/8,555.40
  6. Step 6: Final answer
    x = 6,859.04

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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.