Home / 10,281.13-14,188.07-5,565.51

Finding the Fourth Proportional to 10,281.13, 14,188.07 and 5,565.51

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Solution

The fourth proportional to 10,281.13, 14,188.07 and 5,565.51 is: 7,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.13 : 14,188.07 = 5,565.51 : x
  2. Step 2: Convert to fraction form
    10,281.13/14,188.07 = 5,565.51/x
  3. Step 3: Cross multiply
    10,281.13x = 14,188.07 × 5,565.51
  4. Step 4: Simplify right side
    10,281.13x = 78,963,845.47
  5. Step 5: Solve for x
    x = 78,963,845.47/10,281.13
  6. Step 6: Final answer
    x = 7,680.46

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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.