Home / 10,587.78-15,875.60-4,009.77

Finding the Fourth Proportional to 10,587.78, 15,875.60 and 4,009.77

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Solution

The fourth proportional to 10,587.78, 15,875.60 and 4,009.77 is: 6,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.78 : 15,875.60 = 4,009.77 : x
  2. Step 2: Convert to fraction form
    10,587.78/15,875.60 = 4,009.77/x
  3. Step 3: Cross multiply
    10,587.78x = 15,875.60 × 4,009.77
  4. Step 4: Simplify right side
    10,587.78x = 63,657,484.56
  5. Step 5: Solve for x
    x = 63,657,484.56/10,587.78
  6. Step 6: Final answer
    x = 6,012.35

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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.