Home / 8,526.98-11,767.27-4,989.51

Finding the Fourth Proportional to 8,526.98, 11,767.27 and 4,989.51

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Solution

The fourth proportional to 8,526.98, 11,767.27 and 4,989.51 is: 6,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.98 : 11,767.27 = 4,989.51 : x
  2. Step 2: Convert to fraction form
    8,526.98/11,767.27 = 4,989.51/x
  3. Step 3: Cross multiply
    8,526.98x = 11,767.27 × 4,989.51
  4. Step 4: Simplify right side
    8,526.98x = 58,712,911.34
  5. Step 5: Solve for x
    x = 58,712,911.34/8,526.98
  6. Step 6: Final answer
    x = 6,885.55

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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.