Home / 10,490.13-14,476.32-5,774.40

Finding the Fourth Proportional to 10,490.13, 14,476.32 and 5,774.40

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Solution

The fourth proportional to 10,490.13, 14,476.32 and 5,774.40 is: 7,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.13 : 14,476.32 = 5,774.40 : x
  2. Step 2: Convert to fraction form
    10,490.13/14,476.32 = 5,774.40/x
  3. Step 3: Cross multiply
    10,490.13x = 14,476.32 × 5,774.40
  4. Step 4: Simplify right side
    10,490.13x = 83,592,062.21
  5. Step 5: Solve for x
    x = 83,592,062.21/10,490.13
  6. Step 6: Final answer
    x = 7,968.64

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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.