Home / 9,504.10-13,115.55-5,312.35

Finding the Fourth Proportional to 9,504.10, 13,115.55 and 5,312.35

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Solution

The fourth proportional to 9,504.10, 13,115.55 and 5,312.35 is: 7,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.10 : 13,115.55 = 5,312.35 : x
  2. Step 2: Convert to fraction form
    9,504.10/13,115.55 = 5,312.35/x
  3. Step 3: Cross multiply
    9,504.10x = 13,115.55 × 5,312.35
  4. Step 4: Simplify right side
    9,504.10x = 69,674,428.36
  5. Step 5: Solve for x
    x = 69,674,428.36/9,504.10
  6. Step 6: Final answer
    x = 7,330.99

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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.