Home / 9,777.12-13,492.26-5,528.11

Finding the Fourth Proportional to 9,777.12, 13,492.26 and 5,528.11

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Solution

The fourth proportional to 9,777.12, 13,492.26 and 5,528.11 is: 7,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.12 : 13,492.26 = 5,528.11 : x
  2. Step 2: Convert to fraction form
    9,777.12/13,492.26 = 5,528.11/x
  3. Step 3: Cross multiply
    9,777.12x = 13,492.26 × 5,528.11
  4. Step 4: Simplify right side
    9,777.12x = 74,586,697.43
  5. Step 5: Solve for x
    x = 74,586,697.43/9,777.12
  6. Step 6: Final answer
    x = 7,628.70

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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.