Home / 10,482.38-14,465.68-6,290.62

Finding the Fourth Proportional to 10,482.38, 14,465.68 and 6,290.62

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Solution

The fourth proportional to 10,482.38, 14,465.68 and 6,290.62 is: 8,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.38 : 14,465.68 = 6,290.62 : x
  2. Step 2: Convert to fraction form
    10,482.38/14,465.68 = 6,290.62/x
  3. Step 3: Cross multiply
    10,482.38x = 14,465.68 × 6,290.62
  4. Step 4: Simplify right side
    10,482.38x = 90,998,095.92
  5. Step 5: Solve for x
    x = 90,998,095.92/10,482.38
  6. Step 6: Final answer
    x = 8,681.05

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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.