Home / 10,987.65-16,482.02-3,590.19

Finding the Fourth Proportional to 10,987.65, 16,482.02 and 3,590.19

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Solution

The fourth proportional to 10,987.65, 16,482.02 and 3,590.19 is: 5,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.65 : 16,482.02 = 3,590.19 : x
  2. Step 2: Convert to fraction form
    10,987.65/16,482.02 = 3,590.19/x
  3. Step 3: Cross multiply
    10,987.65x = 16,482.02 × 3,590.19
  4. Step 4: Simplify right side
    10,987.65x = 59,173,565.43
  5. Step 5: Solve for x
    x = 59,173,565.43/10,987.65
  6. Step 6: Final answer
    x = 5,385.46

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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.