Home / 9,216.24-12,718.80-6,075.60

Finding the Fourth Proportional to 9,216.24, 12,718.80 and 6,075.60

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Solution

The fourth proportional to 9,216.24, 12,718.80 and 6,075.60 is: 8,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.24 : 12,718.80 = 6,075.60 : x
  2. Step 2: Convert to fraction form
    9,216.24/12,718.80 = 6,075.60/x
  3. Step 3: Cross multiply
    9,216.24x = 12,718.80 × 6,075.60
  4. Step 4: Simplify right side
    9,216.24x = 77,274,341.28
  5. Step 5: Solve for x
    x = 77,274,341.28/9,216.24
  6. Step 6: Final answer
    x = 8,384.58

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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.