Home / 8,368.48-11,547.64-5,011.21

Finding the Fourth Proportional to 8,368.48, 11,547.64 and 5,011.21

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Solution

The fourth proportional to 8,368.48, 11,547.64 and 5,011.21 is: 6,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.48 : 11,547.64 = 5,011.21 : x
  2. Step 2: Convert to fraction form
    8,368.48/11,547.64 = 5,011.21/x
  3. Step 3: Cross multiply
    8,368.48x = 11,547.64 × 5,011.21
  4. Step 4: Simplify right side
    8,368.48x = 57,867,649.04
  5. Step 5: Solve for x
    x = 57,867,649.04/8,368.48
  6. Step 6: Final answer
    x = 6,914.95

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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.