Home / 10,259.65-14,157.90-5,784.32

Finding the Fourth Proportional to 10,259.65, 14,157.90 and 5,784.32

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Solution

The fourth proportional to 10,259.65, 14,157.90 and 5,784.32 is: 7,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.65 : 14,157.90 = 5,784.32 : x
  2. Step 2: Convert to fraction form
    10,259.65/14,157.90 = 5,784.32/x
  3. Step 3: Cross multiply
    10,259.65x = 14,157.90 × 5,784.32
  4. Step 4: Simplify right side
    10,259.65x = 81,893,803.44
  5. Step 5: Solve for x
    x = 81,893,803.44/10,259.65
  6. Step 6: Final answer
    x = 7,982.13

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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.