Home / 7,547.40-10,416.66-4,403.59

Finding the Fourth Proportional to 7,547.40, 10,416.66 and 4,403.59

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Solution

The fourth proportional to 7,547.40, 10,416.66 and 4,403.59 is: 6,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.40 : 10,416.66 = 4,403.59 : x
  2. Step 2: Convert to fraction form
    7,547.40/10,416.66 = 4,403.59/x
  3. Step 3: Cross multiply
    7,547.40x = 10,416.66 × 4,403.59
  4. Step 4: Simplify right side
    7,547.40x = 45,870,699.81
  5. Step 5: Solve for x
    x = 45,870,699.81/7,547.40
  6. Step 6: Final answer
    x = 6,077.68

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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.