Home / 8,782.04-12,118.02-5,244.50

Finding the Fourth Proportional to 8,782.04, 12,118.02 and 5,244.50

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Solution

The fourth proportional to 8,782.04, 12,118.02 and 5,244.50 is: 7,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.04 : 12,118.02 = 5,244.50 : x
  2. Step 2: Convert to fraction form
    8,782.04/12,118.02 = 5,244.50/x
  3. Step 3: Cross multiply
    8,782.04x = 12,118.02 × 5,244.50
  4. Step 4: Simplify right side
    8,782.04x = 63,552,955.89
  5. Step 5: Solve for x
    x = 63,552,955.89/8,782.04
  6. Step 6: Final answer
    x = 7,236.70

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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.