Home / 10,368.89-15,547.07-4,129.86

Finding the Fourth Proportional to 10,368.89, 15,547.07 and 4,129.86

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Solution

The fourth proportional to 10,368.89, 15,547.07 and 4,129.86 is: 6,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.89 : 15,547.07 = 4,129.86 : x
  2. Step 2: Convert to fraction form
    10,368.89/15,547.07 = 4,129.86/x
  3. Step 3: Cross multiply
    10,368.89x = 15,547.07 × 4,129.86
  4. Step 4: Simplify right side
    10,368.89x = 64,207,232.83
  5. Step 5: Solve for x
    x = 64,207,232.83/10,368.89
  6. Step 6: Final answer
    x = 6,192.30

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1.5x scale

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.