Home / 10,587.16-15,878.17-3,565.36

Finding the Fourth Proportional to 10,587.16, 15,878.17 and 3,565.36

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Solution

The fourth proportional to 10,587.16, 15,878.17 and 3,565.36 is: 5,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.16 : 15,878.17 = 3,565.36 : x
  2. Step 2: Convert to fraction form
    10,587.16/15,878.17 = 3,565.36/x
  3. Step 3: Cross multiply
    10,587.16x = 15,878.17 × 3,565.36
  4. Step 4: Simplify right side
    10,587.16x = 56,611,343.58
  5. Step 5: Solve for x
    x = 56,611,343.58/10,587.16
  6. Step 6: Final answer
    x = 5,347.17

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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.