Home / 8,315.84-11,475.69-4,539.03

Finding the Fourth Proportional to 8,315.84, 11,475.69 and 4,539.03

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Solution

The fourth proportional to 8,315.84, 11,475.69 and 4,539.03 is: 6,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.84 : 11,475.69 = 4,539.03 : x
  2. Step 2: Convert to fraction form
    8,315.84/11,475.69 = 4,539.03/x
  3. Step 3: Cross multiply
    8,315.84x = 11,475.69 × 4,539.03
  4. Step 4: Simplify right side
    8,315.84x = 52,088,501.18
  5. Step 5: Solve for x
    x = 52,088,501.18/8,315.84
  6. Step 6: Final answer
    x = 6,263.77

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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.