Home / 9,777.68-13,492.02-5,528.18

Finding the Fourth Proportional to 9,777.68, 13,492.02 and 5,528.18

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Solution

The fourth proportional to 9,777.68, 13,492.02 and 5,528.18 is: 7,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.68 : 13,492.02 = 5,528.18 : x
  2. Step 2: Convert to fraction form
    9,777.68/13,492.02 = 5,528.18/x
  3. Step 3: Cross multiply
    9,777.68x = 13,492.02 × 5,528.18
  4. Step 4: Simplify right side
    9,777.68x = 74,586,315.12
  5. Step 5: Solve for x
    x = 74,586,315.12/9,777.68
  6. Step 6: Final answer
    x = 7,628.22

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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.