Home / 10,875.18-15,007.64-5,907.18

Finding the Fourth Proportional to 10,875.18, 15,007.64 and 5,907.18

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Solution

The fourth proportional to 10,875.18, 15,007.64 and 5,907.18 is: 8,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.18 : 15,007.64 = 5,907.18 : x
  2. Step 2: Convert to fraction form
    10,875.18/15,007.64 = 5,907.18/x
  3. Step 3: Cross multiply
    10,875.18x = 15,007.64 × 5,907.18
  4. Step 4: Simplify right side
    10,875.18x = 88,652,830.86
  5. Step 5: Solve for x
    x = 88,652,830.86/10,875.18
  6. Step 6: Final answer
    x = 8,151.85

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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.