Home / 7,545.12-11,316.88-4,618.32

Finding the Fourth Proportional to 7,545.12, 11,316.88 and 4,618.32

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Solution

The fourth proportional to 7,545.12, 11,316.88 and 4,618.32 is: 6,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.12 : 11,316.88 = 4,618.32 : x
  2. Step 2: Convert to fraction form
    7,545.12/11,316.88 = 4,618.32/x
  3. Step 3: Cross multiply
    7,545.12x = 11,316.88 × 4,618.32
  4. Step 4: Simplify right side
    7,545.12x = 52,264,973.24
  5. Step 5: Solve for x
    x = 52,264,973.24/7,545.12
  6. Step 6: Final answer
    x = 6,926.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.