Home / 8,927.76-13,337.29-5,782.12

Finding the Fourth Proportional to 8,927.76, 13,337.29 and 5,782.12

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Solution

The fourth proportional to 8,927.76, 13,337.29 and 5,782.12 is: 8,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.76 : 13,337.29 = 5,782.12 : x
  2. Step 2: Convert to fraction form
    8,927.76/13,337.29 = 5,782.12/x
  3. Step 3: Cross multiply
    8,927.76x = 13,337.29 × 5,782.12
  4. Step 4: Simplify right side
    8,927.76x = 77,117,811.25
  5. Step 5: Solve for x
    x = 77,117,811.25/8,927.76
  6. Step 6: Final answer
    x = 8,637.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.