Home / 8,328.96-11,492.82-7,075.08

Finding the Fourth Proportional to 8,328.96, 11,492.82 and 7,075.08

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Solution

The fourth proportional to 8,328.96, 11,492.82 and 7,075.08 is: 9,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.96 : 11,492.82 = 7,075.08 : x
  2. Step 2: Convert to fraction form
    8,328.96/11,492.82 = 7,075.08/x
  3. Step 3: Cross multiply
    8,328.96x = 11,492.82 × 7,075.08
  4. Step 4: Simplify right side
    8,328.96x = 81,312,620.93
  5. Step 5: Solve for x
    x = 81,312,620.93/8,328.96
  6. Step 6: Final answer
    x = 9,762.64

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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.